Operate the test equipment at a nominal rate of 50 Mode S interrogations per second for Mode S. An additional 3 dB loss is allowed to compensate for antenna coupling errors during receiver sensitivity measurements conducted in accordance with paragraph (c)(1) when using portable test equipment. 4320, 45 FR 60182, Sept. 11, 1980; Amdt. (b) Each person maintaining or altering, or performing preventive maintenance, shall do that work in such a manner and use materials of such a quality, that the condition of the aircraft, airframe, aircraft engine, propeller, or appliance worked on will be at least equal to its original or properly altered condition (with regard to aerodynamic function, structural strength, resistance to vibration and deterioration, and other qualities affecting airworthiness). 4350, 83 FR 9170, Mar. (6) Batteriesfor improper installation and improper charge. 4331, 54 FR 34330, Aug. 18, 1989]. AIRFRAME SERVICES. 4333, 56 FR 57571, Nov. 12, 1991, as amended by Amdt. user convenience only and is not intended to alter agency intent (i) Conversion of an aircraft engine from one approved model to another, involving any changes in compression ratio, propeller reduction gear, impeller gear ratios or the substitution of major engine parts which requires extensive rework and testing of the engine. (d) Each person performing an annual or 100-hour inspection shall inspect (where applicable) components of the engine and nacelle group as follows: (1) Engine sectionfor visual evidence of excessive oil, fuel, or hydraulic leaks, and sources of such leaks. Definitions provided in 14 CFR Part 1.1 state, "Major alteration means an alteration not listed in the aircraft, aircraft engine, or propeller specifications (1) That might appreciably affect weight, balance, structural strength, performance, powerplant operation, flight characteristics, or other qualities affecting airworthiness; or The approved unit must be designed to be readily and repeatedly removed and replaced, and pertinent instructions must be provided. PURPOSE. 4345, 77 FR 71096, Nov. 29, 2012; Docket No. (10) Applying preservative or protective material to components where no disassembly of any primary structure or operating system is involved and where such coating is not prohibited or is not contrary to good practices. (28) The installations of anti-misfueling devices to reduce the diameter of fuel tank filler openings provided the specific device has been made a part of the aircraft type certificiate data by the aircraft manufacturer, the aircraft manufacturer has provided FAA-approved instructions for installation of the specific device, and installation does not involve the disassembly of the existing tank filler opening. (1) Aircraft having a U.S. airworthiness certificate; (2) Foreign-registered civil aircraft used in common carriage or carriage of mail under the provisions of Part 121 or 135 of this chapter; and. (4) If the work performed on the aircraft, airframe, aircraft engine, propeller, appliance, or component part has been performed satisfactorily, the signature, certificate number, and kind of certificate held by the person approving the work. Aircraft Maintenance: Major vs minor alterations, part 2 The Federal Aviation Administration (FAA), Inspection Authorization (IA) permits airframe and powerplant mechanics to perform greater variety of maintenance functions and alterations than any other single entity. Which aircraft record entry is the best description of the replacement of several damaged heli-coils in a casting? The tag or record must include the part number, serial number, and current life status of the part. (a) Except as provided in this section and 43.17, no person may maintain, rebuild, alter, or perform preventive maintenance on an aircraft, airframe, aircraft engine, propeller, appliance, or component part to which this part applies. (1) To return an affected product to service, a person authorized in paragraph (c) of this section must approve (certify) maintenance, preventive maintenance, and alterations performed under this section, except that an Aircraft Maintenance Engineer may not approve a major repair or major alteration. This advisory circular (AC) provides instructions for completing Federal Aviation Administration (FAA) Form 337, Major Repair and Alteration (Airframe, Powerplant, Propeller, or Appliance). Choosing an item from Official websites use .govA .gov website belongs to an official government organization in the United States. (e) Each person performing an annual or 100-hour inspection shall inspect (where applicable) the following components of the landing gear group: (1) All unitsfor poor condition and insecurity of attachment. (2) An AMO whose system of quality control for the maintenance, preventive maintenance, alteration, and inspection of aeronautical products has been approved by Transport Canada Civil Aviation, or an authorized employee performing work for such an AMO, may approve (certify) a major repair or major alteration performed under this section if the work was performed in accordance with technical data approved by the FAA. (10) All systemsfor improper installation, poor general condition, defects, and insecure attachment. (d) A manufacturer may approve for return to service any aircraft, airframe, aircraft engine, propeller, appliance, or component part which that manufacturer has worked on under 43.3(j). eCFR :: Appendix A to Part 43, Title 14 -- Major Alterations, Major 4339, 69 FR 44863, July 27, 2004]. PDF Date: 5/21/87 AC No: FORM 337 (OMB NO.2120-0020), MAJOR 43.9-1E REPAIR 7572; 49 U.S.C. . (v) Installation of structural parts other than the type of parts approved for the installation. U.S. aeronautical product means any aeronautical product under airworthiness regulation by the FAA. (g) Except for holders of a sport pilot certificate, the holder of a pilot certificate issued under part 61 may perform preventive maintenance on any aircraft owned or operated by that pilot which is not used under part 121, 129, or 135 of this chapter. (a) No person may make or cause to be made: (1) Any fraudulent or intentionally false entry in any record or report that is required to be made, kept, or used to show compliance with any requirement under this part; (2) Any reproduction, for fraudulent purpose, of any record or report under this part; or. For the purposes of this section the following definitions apply. (27) The interchange of balloon baskets and burners on envelopes when the basket or burner is designated as interchangeable in the balloon type certificate data and the baskets and burners are specifically designed for quick removal and installation. 4314, 37 FR 14291, June 19, 1972; Amdt. PDF Ac 43-210a Chg 1 or existing codification. (3) Windows and windshieldsfor deterioration and breakage. ( vii) Hull or floats. The test point shall be approached at a rate compatible with the test equipment. AC 43.9-1G (PDF) View All. (h) Notwithstanding the provisions of paragraph (g) of this section, the Administrator may approve a certificate holder under Part 135 of this chapter, operating rotorcraft in a remote area, to allow a pilot to perform specific preventive maintenance items provided. (g) The holder of a repairman certificate (light-sport aircraft) with a maintenance rating may approve an aircraft issued a special airworthiness certificate in light-sport category for return to service, as provided in part 65 of this chapter. 4323, 47 FR 41085, Sept. 16, 1982; Amdt. Enhanced content is provided to the user to provide additional context. A person authorized in paragraph (c) of this section may perform maintenance (including any inspection required by Sec. (2) The date of the inspection and aircraft total time in service. (3) Internal enginefor cylinder compression and for metal particles or foreign matter on screens and sump drain plugs. The part may be mutilated to deter its installation in a type certificated product. Aircraft major alteration b. Airframe major alteration c. System major alteration d. Powerplant major alteration b. (3) Anti-icing devicesfor improper operations and obvious defects. 4323, 47 FR 41084, Sept. 16, 1982; Amdt. When a life-limited part is temporarily removed and reinstalled for the purpose of performing maintenance, no disposition under paragraph (c) of this section is required if. (1) The life status of the part has not changed; (2) The removal and reinstallation is performed on the same serial numbered product; and. The aircraft, airframe, aircraft engine, propeller, or appliance identified above was repaired and inspected in accordance with current Regulations of the Federal Aviation Agency and is approved for return to service. 1993, 29 FR 5451, Apr. 4323, 47 FR 41086, Sept. 16, 1982; Amdt. Not unless they are supervised by a certificated powerplant mechanic. (c) Special provisions for holders of air carrier operating certificates and operating certificates issued under the provisions of Part 121 or 135 and Part 129 operators holding operations specifications. (c) Automatic Pressure Altitude Reporting Equipment and ATC Transponder System Integration Test. (ii) Ensuring the part is physically stored separately from parts that are currently eligible for installation. 4336, 61 FR 19501, May 1, 1996; Amdt. (j) Each person performing an annual or 100-hour inspection shall inspect (where applicable) each installed miscellaneous item that is not otherwise covered by this listing for improper installation and improper operation. (ii) Repairing or machining of steel hubs. The difference between the automatic reporting output and the altitude displayed at the altimeter shall not exceed 125 feet. There are minor alterations and major alterations. Replacement of an autopilot w/ parts manufactured in accordance w/ approved drawing is considered D. airframe minor repair 2. No. (ii) Monocoque or semimonocoque wings or control surfaces. (b) The commission by any person of an act prohibited under paragraph (a) of this section is a basis for suspending or revoking the applicable airman, operator, or production certificate, Technical Standard Order Authorization, FAA-Parts Manufacturer Approval, or Product and Process Specification issued by the Administrator and held by that person. (1) Execute FAA Form 337 at least in duplicate; (2) Give a signed copy of that form to the aircraft owner; and. (3) Airframe, aircraft engines, propellers, appliances, and component parts of such aircraft. No. approve an aircraft, airframe, engine, propeller, appliance, or component part for return to service after the performance of a repair or alteration. (iii) Special repairs to structural engine parts by welding, plating, metalizing, or other methods. (7) Lines, hoses, and clampsfor leaks, improper condition and looseness. 4323, 47 FR 41086, Sept. 16, 1982; Amdt. (2) Verify that the transponder replies to at least 90 percent of ATCRBS interrogations when the amplitude of the P2 pulse is 9 dB less than the P1 pulse. (4) Appliance major alterations. Repairs of the following types to a propeller are propeller major repairs: (i) Any repairs to, or straightening of steel blades. 4319, 43 FR 22639, May 25, 1978, as amended by Amdt. (ii) For Class 1B and 2B ATCRBS Transponders, verify that the minimum RF peak output power is at least 18.5 dbw (70 watts). developer resources. If portable test equipment with appropriate coupling to the aircraft antenna system is used, operate the test equipment for ATCRBS transponders at a nominal rate of 235 interrogations per second to avoid possible ATCRBS interference. (i) Power output (static and idle r.p.m. Airframe major alterations. (v) Case leak. The interrogations should be made at a nominal rate of 50 interrogations per second. 4348, 81 FR 42208, June 28, 2016; Docket FAA20181087, Amdt. (7) Making simple fabric patches not requiring rib stitching or the removal of structural parts or control surfaces. (iii) Rewinding the field coil of an electrical accessory. Each person performing the altimeter system tests and inspections required by 91.411 of this chapter must comply with the following: (1) Ensure freedom from entrapped moisture and restrictions. Comments or questions about document content can not be answered by OFR staff. This document is available in the following developer friendly formats: Information and documentation can be found in our (15) Replacing seats or seat parts with replacement parts approved for the aircraft, not involving disassembly of any primary structure or operating system. Unless the part is permanently removed from use on type certificated products, this permanent mark must be accomplished in accordance with the instructions under 45.16 of this chapter in order to maintain the integrity of the part. (f) Each person performing an annual or 100-hour inspection shall inspect (where applicable) all components of the wing and center section assembly for poor general condition, fabric or skin deterioration, distortion, evidence of failure, and insecurity of attachment. 4351, 86 FR 4381, Jan. 15, 2021], (a) No person may describe in any required maintenance entry or form an aircraft, airframe, aircraft engine, propeller, appliance, or component part as being overhauled unless, (1) Using methods, techniques, and practices acceptable to the Administrator, it has been disassembled, cleaned, inspected, repaired as necessary, and reassembled; and. Alterations of the basic design not made in accordance with recommendations of the appliance manufacturer or in accordance with an FAA Airworthiness Directive are appliance major alterations. Use the surveillance formats UF = 4 and 5. (c) This section does not apply to persons performing inspections in accordance with Part 91, 125, 135.411(a)(1), or 135.419 of this chapter. Repairs of the following parts of an engine and repairs of the following types, are powerplant major repairs: (i) Separation or disassembly of a crankcase or crankshaft of a reciprocating engine equipped with an integral supercharger. 4331, 54 FR 34330, Aug. 18, 1989]. Navy COOL - Inspection Authorization (IA) (9) Refinishing decorative coating of fuselage, balloon baskets, wings tail group surfaces (excluding balanced control surfaces), fairings, cowlings, landing gear, cabin, or cockpit interior when removal or disassembly of any primary structure or operating system is not required. (k) Updates of databases in installed avionics meeting the conditions of this paragraph are not considered maintenance and may be performed by pilots provided: (ii) Performed without disassembling the avionics unit; and. FAA20210237, Amdt. (h) Each person performing an annual or 100-hour inspection shall inspect (where applicable) the following components of the propeller group: (1) Propeller assemblyfor cracks, nicks, binds, and oil leakage. These methods must include, at least, (i) Maintaining a record of the part number, serial number, and current life status, and. (30) The inspection and maintenance tasks prescribed and specifically identified as preventive maintenance in a primary category aircraft type certificate or supplemental type certificate holder's approved special inspection and preventive maintenance program when accomplished on a primary category aircraft provided: (i) They are performed by the holder of at least a private pilot certificate issued under part 61 of this chapter who is the registered owner (including co-owners) of the affected aircraft and who holds a certificate of competency for the affected aircraft (1) issued by the holder of the production certificate for that primary category aircraft that has a special training program approved under 21.24 of this subchapter; or (2) issued by another entity that has a course approved by the Administrator; and. 8450. citations and headings Major Alteration - an overview | ScienceDirect Topics (vi) Barometric scale error. (7) Other methods. 4337, 66 FR 21066, Apr. Any other method approved or accepted by the FAA. [Amdt. If you work for a Federal agency, use this drafting (b) For major repairs made in accordance with a manual or specifications acceptable to the Administrator, a certificated repair station may, in place of the requirements of paragraph (a). (7) If an inspection is conducted under an inspection program provided for in part 91, 125, or 135.411(a)(1), the entry must identify the inspection program, that part of the inspection program accomplished, and contain a statement that the inspection was performed in accordance with the inspections and procedures for that particular program. You can learn more about the process (iii) If an airframe, aircraft engine, propeller, or appliance, give the manufacturer's name, name of the part, model, and serial numbers (if any); and, (4) Include the following or a similarly worded statement. 437, 32 FR 7587, May 24, 1967; Amdt. (3) That product does not accumulate time in service while the part is removed. A repair, as performed on an airframe, shall mean the restoration of the airframe to a condition for safe operation after damage or deterioration. Learn more about the eCFR, its status, and the editorial process. 313, 314, and 601 through 610 of the Federal Aviation Act of 1958 (49 U.S.C. (i) For Class 1A and 2A ATCRBS transponders, verify that the minimum RF peak output power is at least 21.0 dbw (125 watts). (5) The items of preventive maintenance authorized by this section are those listed in paragraph (c) of appendix A of this part. information or personal data. (a) Maintenance record entries. Modification to basic design of the exhaust system is considered: a. Alterations of the following parts and alterations of the following types, when not listed in the aircraft specifications issued by the FAA, are airframe major alterations: (i) Wings, (ii) Tail surfaces, (iii) Fuselage, (iv) Engine mounts, (v) Control system, (vi) Landing gear, An STC is a . (b) Temporary removal of parts from type-certificated products. What certifications must one have to repair/alter propellers and (2) Replacing elastic shock absorber cords on landing gear. 4323, 47 FR 41084, Sept. 16, 1982, as amended by Amdt. (a) Except as provided in this section and 43.17, no person may maintain, rebuild, alter, or perform preventive maintenance on an aircraft, airframe, aircraft engine, propeller, appliance, or component part to which this part applies. The following alterations of a powerplant when not listed in the engine specifications issued by the FAA, are powerplant major alterations. The life status must be updated each time the part is removed from a type certificated product, or if the mark is removed, another method in this section may be used. 27, 2001], (a) General. Each time the part is removed from a type certificated product, the record must be updated with the current life status. 43.15 Additional performance rules for inspections. airframe, aircraft engine . No. (g) Each person performing an annual or 100-hour inspection shall inspect (where applicable) all components and systems that make up the complete empennage assembly for poor general condition, fabric or skin deterioration, distortion, evidence of failure, insecure attachment, improper component installation, and improper component operation. Verify that the identity reported in the replies to UF = 5 are the same as that reported in a valid ATCRBS Mode 3/A reply. Maintenance records: Falsification, reproduction, or alteration. (8) Exhaust stacksfor cracks, defects, and improper attachment. Airframe and powerplant. Alterations of the following parts and alterations of the following types, when not listed in the aircraft specifications issued by the FAA, are airframe major alterations: (viii) Elements of an airframe including spars, ribs, fittings, shock absorbers, bracing, cowling, fairings, and balance weights. Aircraft Maintenance Flashcards | Quizlet You are using an unsupported browser. ___, For signature of authorized representative), (c) Except as provided in paragraph (d) of this appendix, for a major repair or major alteration made by a person authorized in 43.17, the person who performs the major repair or major alteration and the person authorized by 43.17 to approve that work shall execute an FAA Form 337 at least in duplicate. (iv) Engine mounts. However, this paragraph does not authorize the performance of any inspection required by Part 91 or Part 125 of this chapter or any inspection performed after a major repair or alteration. If you have comments or suggestions on how to improve the www.ecfr.gov website or have questions about using www.ecfr.gov, please choose the 'Website Feedback' button below. 433, 31 FR 3336, Mar. 14 CFR Appendix A to Part 43 - Major Alterations, Major Repairs, and (1) Placed on board the aircraft as specified in 91.417 of this chapter; (3) Forwarded to the Federal Aviation Administration, Aircraft Registration Branch, , Post Office Box 25724, Oklahoma City, OK 73125, within 48 hours after the work is inspected. (5) Segregation. In a similar manner, part 43 appendix A, paragraph (b) further defines what constitutes a major repair. (d) Performance requirements. 1655(c))), [Amdt. Routine inspections consist of visual examination or check of the appliances, the aircraft, and its components and systems, insofar as practicable without disassembly. [Doc. full text search results The test point shall then be approached at a rate of approximately 3,000 feet per minute. A separate drafting site 4329, 52 FR 34101, Sept. 9, 1987; Amdt. 1354, 1355, and 1421 through 1430) and sec. (7) Wheelsfor cracks, defects, and condition of bearings. This web site is designed for the current versions of (v) Replacement of outer laminations on fixed pitch wood propellers. (3) Propeller major repairs. (xi) Changes to the empty weight or empty balance which result in an increase in the maximum certificated weight or center of gravity limits of the aircraft. 4325, 51 FR 40703, Nov. 7, 1986; Amdt. Likewise, a minor repair is ( vi) Landing gear. (25) Cleaning of balloon burner pilot and main nozzles in accordance with the balloon manufacturer's instructions. 1993, 29 FR 5451, Apr. Aircraft Alterations (4) Appliance major repairs. The tests in (e) through (j) apply only to Mode S transponders. With the barometric pressure scale at 29.92 inches of mercury, the altimeter shall be subjected successively to pressures corresponding to the altitude specified in Table I up to the maximum normally expected operating altitude of the airplane in which the altimeter is to be installed. (11) Repairing upholstery and decorative furnishings of the cabin, cockpit, or balloon basket interior when the repairing does not require disassembly of any primary structure or operating system or interfere with an operating system or affect the primary structure of the aircraft. Except as provided in paragraphs (b) and (c) of this section, each person who maintains, performs preventive maintenance, rebuilds, or alters an aircraft, airframe, aircraft engine, propeller, appliance, or component part shall make an entry in the maintenance record of that equipment containing the following information: (1) A description (or reference to data acceptable to the Administrator) of work performed. (ii) Changes to the engine by replacing aircraft engine structural parts with parts not supplied by the original manufacturer or parts not specifically approved by the Administrator. You must perform major repairs and major alterations using technical data approved by the Administrator. Please do not provide confidential [Amdt. FAA20180119, Amdt. (a) Except as provided in paragraphs (b) and (d) of this section, this part prescribes rules governing the maintenance, preventive maintenance, rebuilding, and alteration of any. Each time the part is removed from a type certificated product, either a new tag or record must be created, or the existing tag or record must be updated with the current life status. In addition, changes in the basic design of radio communication and navigation equipment approved under type certification or a Technical Standard Order that have an effect on frequency stability, noise level, sensitivity, selectivity, distortion, spurious radiation, AVC characteristics, or ability to meet environmental test conditions and other changes that have an effect on the performance of the equipment are also major alterations. of Transportation Act (49 U.S.C. 8.3 Item 3 - For FAA Use Only. (9) Accessoriesfor apparent defects in security of mounting. Content, form, and disposition of maintenance, preventive maintenance, rebuilding, and alteration records (except inspections performed in accordance with part 91, part 125, 135.411(a)(1), and 135.419 of this chapter). (5) Replacing defective safety wiring or cotter keys. 432, 30 FR 8262, June 29, 1965, as amended by Amdt. (5) Flexible vibration dampenersfor poor condition and deterioration. 4334, 57 FR 41369, Sept. 9, 1992; Amdt. here. (c) Each person performing an annual or 100-hour inspection shall inspect (where applicable) the following components of the cabin and cockpit group: (1) Generallyfor uncleanliness and loose equipment that might foul the controls. 1993, 29 FR 5451, Apr. ( 1) Aircraft having a U.S. airworthiness certificate; ( 2) Foreign-registered civil aircraft used in common carriage or carriage of mail under the provisions of Part 121 or 135 of this chapter; and ( 3) Airframe, aircraft engines, propellers, appliances, and component parts of such aircraft. (xxii) The repair of damaged areas in metal or plywood stressed covering exceeding six inches in any direction. (xxv) The repair of three or more adjacent wing or control surface ribs or the leading edge of wings and control surfaces, between such adjacent ribs.