43.3 43.5 43.7 43.9 Applicability. Persons authorized to perform main- Content, form and disposition of 43.11 Content, form, and disposition of annual, 100-hour, and progressive inspection records. Appendix A-Major alterations, major pairs, and preventive maintenance Appendix B-Recording of major repairs major alterations Appendix C-Recording of annual and gressive inspections Appendix D-Scope and detail of items applicable to the particular aircraft) be included in annual and 100-h inspections Appendix E-Altimeter system test and spection AUTHORITY: The provisions of this Part issued under secs. 313, 601, 602, 603, 604, 605, 72 Stat. 752, 775, 776, 778; 49 U.S.C. 1421, 1422, 1423, 1424, 1425. SOURCE: The provisions of this Part contained in Docket No. 1993, 29 F.R. Apr. 23, 1964, unless otherwise noted. NOTE: For miscellaneous technical amei ments to this Part 43, see Amdt. 43-3, 31 3336, Mar. 3, 1966, and Amdt. 43-6, 31 9211, July 6, 1966. § 43.1 Applicability. (a) Except as provided in paragra (b) of this section, this part prescri rules governing the maintenance, ventive maintenance, rebuilding, alteration of any (1) Aircraft having a U.S. airwor ness certificate; and (2) Airframe, aircraft engine, pi peller, or appliance of such an aircra (b) This part does not apply to a aircraft for which an experimental worthiness certificate has been issu unless a different kind of airworthin certificate had previously been issu for that aircraft. § 43.3 Persons authorized to perfor maintenance, preventive main nance, rebuilding, and alterations. (a) Except as provided in this sectio no person may maintain, rebuild, alt or perform preventive maintenance an aircraft, airframe, aircraft engi propeller, or appliance to which this p applies. Those items, the performan of which is a major alteration, a maja repair, or preventive maintenance, listed in Appendix A. (b) The holder of a mechanic certif cate may perform maintenance, preven tive maintenance, and alterations as pro vided in Part 65 of this chapter. (c) The holder of a repairman ce tificate may perform maintenance an preventive maintenance as provided Part 65 of this chapter. 1) A person working under the ervision of a holder of a mechanic or airman certificate may perform the ntenance, preventive maintenance, alterations that his supervisor is horized to perform, if the supervisor onally observes the work being done he extent necessary to ensure that it eing done properly and if the superr is readily available, in person, for sultation. However, this paragraph ; not authorize the performance of hour or annual inspections, nor intions performed after a major repair Iteration. :) The holder of a repair station cerate may perform maintenance, pretive maintenance, and alterations as vided in Part 145 of this chapter. 1) An air carrier may perform mainince, preventive maintenance and rations as provided in Part 121, 127, 35 of this chapter, as applicable. 3) The holder of a commercial oper: certificate issued under Part 121 this chapter may perform maintece, preventive maintenance, and rations as provided in that part. h) The holder of a pilot certificate ed under Part 61 of this chapmay perform preventive maintenance any aircraft owned or operated by that is not used in air carrier service. 1) A manufacturer may 1) Rebuild or alter any aircraft, airIt engine, propeller, or appliance nufactured by him under a type or duction certificate; 2) Rebuild or alter any appliance or t of aircraft, aircraft engines, propelor appliances manufactured by him Her a Technical Standard Order Aurization, an FAA-Parts Manufacturer proval, or Product and Process Specation issued by the Administrator; а 3) Perform 100-hour, annual, and gressive inspections on aircraft manutured by him, while operating under a duction certificate or under an apved production inspection system for h aircraft. cket No. 1993, 29 F.R. 5451, Apr. 23, 1964, amended by Amdt. 43-4, 31 F.R. 5249, 1, 1966; Amdt. No. 43-12, 34 F.R. 14424, t. 16, 1969] 3.5 Return to service after maintenance, preventive maintenance, rebuilding, or alteration. a) No person may return to service aircraft, airframe, aircraft engine, propeller, or appliance, that has undergone maintenance, preventive maintenance, rebuilding, or alteration unless(1) It has been approved for return to service by a person authorized under § 43.7; (2) The maintenance record entry required by § 43.9 has been made; (3) The repair or alteration form authorized by or furnished by the Administrator has been executed in a manner prescribed by the Administrator; and (4) If a repair or an alteration results in any change in the aircraft operating limitations or flight data contained in the approved aircraft flight manual, those operating limitations or flight data are appropriately revised and set forth as prescribed in § 91.31 of this chapter. (b) This section does not apply to preventive maintenance performed by a certificated pilot under § 43.3 (h). § 43.7 Persons authorized to approve aircraft, airframes, aircraft engines, propellers, and appliances for return to service after maintenance, preventive maintenance, rebuilding, or alteration. (a) Except as provided in this section, no person, other than the Administrator, may approve any aircraft, airframe, aircraft engine, propeller, or appliance for return to service after it has undergone maintenance, preventive maintenance, rebuilding, or alteration. (b) The holder of a mechanic certificate or an inspection authorization may approve an aircraft, airframe, aircraft engine, propeller, or appliance for return to service as provided in Part 65 of this chapter. (c) The holder of a repair station certificate may approve an aircraft, airframe, aircraft engine, propeller, or appliance for return to service as provided in Part 145 of this chapter. (d) A manufacturer may approve for return to service any aircraft, airframe, aircraft engine, propeller, or appliance that he has worked on under § 43.3 (i). However, except for minor alterations, the work must have been done in accordance with technical data approved by the Administrator. (e) An air carrier may approve an aircraft, airframe, aircraft engine, propeller, or appliance for return to service as provided in Part 121, 127, or 135 of this chapter, as applicable. (f) The holder of a commercial operator certificate issued under Part 121 of this chapter may approve an aircraft, airframe, aircraft engine, propeller, or appliance for return to service as provided in that part. [Docket No. 1993, 29 F.R. 5451, Apr. 23, 1964, as amended by Amdt. No. 43-12, 34 F.R. 14424, Sept. 16, 1969] § 43.9 Content, form and disposition of maintenance, rebuilding, and alteration records (except 100-hour, annual, and progressive inspections). (a) Maintenance record entries. Except as provided in paragraphs (b) and (c) of this section, each person who maintains, rebuilds, or alters an aircraft, airframe, aircraft engine, propeller, or appliance shall make an entry in the permanent maintenance record of that equipment containing the following information: (1) A description (or reference to data acceptable to the Administrator) of the work performed. (2) The date of completion of the work performed. (3) The name of the person performing the work. (4) If the aircraft, airframe, aircraft engine, propeller, or appliance is approved for return to service, the signature (and if a certificated mechanic, the certificate number) of the person who approved it. In addition to the entry required by this paragraph, major repairs and major alterations shall be entered on a form, and the form disposed of, in the manner prescribed in Appendix B, by the person performing the work. (b) Each holder of an air carrier or commercial operator certificate that is required by its operating certificate or by approved operations specifications to provide for a continuous airworthiness maintenance program, shall make a record of all maintenance, rebuilding, and alteration, on aircraft, airframes, aircraft engines, propellers, appliances, or parts thereof, which it operates, in accordance with the provisions of Part 121 or Part 127 of this chapter, as appropriate. (c) This section does not apply to persons performing the annual, 100hour, and progressive inspections required by Part 91 of this chapter. [Doc. No. 1993, 29 F.R. 5451, Apr. 23, 1964, as amended by Amdt. 43-1, 30 F.R. 3638, Mar. 19, 1965; Amdt. 43-11, 34 F.R. 14426, Sept. 16, 1969] § 43.11 Content, form, and dispositi of annual, 100-hour, and prog sive inspection records. (a) Maintenance record entries. T person approving or disapproving return to service an aircraft, airfram aircraft engine, propeller, or applian after any annual, 100-hour, or progr sive inspection required by Part 91 this chapter shall make an entry in permanent maintenance record of th equipment, containing the follow information: (1) The type of inspection (and progressive inspections, a brief descri tion of the extent of the inspection). (2) The date of the inspection aircraft time in service. (3) The signature (and if a certif cated mechanic, the certificate numbe of the person approving or disapprov for return to service, the aircraft, frame, aircraft engine, propeller, appliance. (4) For annual or 100-hour inspe tions if the aircraft is approved for turn to service, the following or a sim larly worded statement "I certify th this aircraft has been inspected in cordance with (insert type) inspecti and was determined to be in airwort condition". (5) For annual inspections, if the al craft is not approved for return to ser ice because of needed maintenance, nor compliance with applicable specific tions, airworthiness directives or oth approved data, the following or a sim larly worded statement-"I certify th this aircraft has been inspected in a cordance with an annual inspection an a list of discrepancies and unairworth items dated (date) has been provided f the aircraft owner or lessee". a (6) For progressive inspections, th following or a similarly worded state ment "I certify that in accordance wit progressive inspection program, routine inspection of (identify whethe aircraft, or components) and a detaile inspection of (identify components) wer performed in accordance with a pro gressive inspection and the aircraft approved for return to service". (b) Additional recording require ments. Each person performing & annual or progressive inspection sha complete the form and dispose of it prescribed in Appendix C. In addition if the person performing an annual in ction finds that the aircraft is unairthy or does not meet the applicable e certificate data, airworthiness diEives, or other approved data upon ch airworthiness depends, he shall è the owner or lessee a signed and ed copy of a list of discrepancies. 3.13 Performance rules (general). a) Each person maintaining or alng, or performing preventive mainance, shall use methods, techniques, practices acceptable to the Adminator. He shall use the tools, equipit, and test apparatus necessary to ire completion of the work in accorde with accepted industry practices. Special equipment or test apparatus recommended by the manufacturer olved, he must use that equipment or aratus or its equivalent acceptable he Administrator. b) Each person maintaining or alter, or performing preventive mainteice, shall do that work in such a manand use materials of such a quality, t the condition of the aircraft, airme, aircraft engine, propeller, or apance worked on will be at least equal its original or properly altered condia (with regard to aerodynamic funcn, structural strength, resistance to ration and deterioration, and other lities affecting airworthiness). c) Special provisions for air carriers 1 commercial operators. Unless erwise notified by the Administrator, methods, techniques, and practices itained in the maintenance manual the maintenance part of the air carr manual of a certificated air carrier commercial operator (that is required its operating certificate or approved erating specifications to provide a conuous airworthiness maintenance and pection program) constitute acceptle means of compliance with this ction. 13.15 Additional performance rules for inspections. (a) General. Each person performing 100-hour, annual, or progressive inection required by Part 91 of this apter or an inspection required under rt 123 of this chapter, shall perform ose inspections in such a manner as determine whether the aircraft conrned meets all applicable airworthiss requirements. (b) Rotorcraft. Each person per (2) The main rotor transmission gear box for obvious defects. (3) The main rotor and center section (or the equivalent area). (4) The auxiliary rotor on helicopters. (c) Annual and 100-hour inspections. (1) Each person performing an annual or 100-hour inspection shall use a checklist while performing the inspection The checklist may be of the person's own design, one provided by the manufacturer of the equipment being inspected or one obtained from another source This checklist must include the scope and detail of the items contained in Appendix D to this part and paragraph (b) of this section. (2) Each person approving an aircraft for return to service after an annual or 100-hour inspection shall, before that approval, run the aircraft engine or engines to determine satisfactory performance, in accordance with the manufacturer's recommendations, of (1) Power output (static and idle r.p.m.); (ii) Magnetos; (iii) Fuel and oil pressure; and (d) Progressive inspection. (1) Each person performing a progressive inspection shall, at the start of a progressive inspection system, inspect the aircraft completely. After this initial inspection, routine and detailed inspections must be conducted as prescribed in the progressive inspection schedule. Routine inspections consist of visual examination or check of the appliances, the aircraft, and its components and systems, insofar as practicable without disassembly. Detailed inspections consist of a thorough examination of the appliances, the aircraft, and its components and systems, with such disassembly as is necessary. For the purposes of this subparagraph, the overhaul of a component or system is considered to be a detailed inspection. (2) If the aircraft is away from the station where inspections are normally conducted, an appropriately rated mechanic, a certificated repair station, or the manufacturer of the aircraft may perform inspections in accordance with the procedures and using the forms of the person who would otherwise perform the inspection. (Sec. 607, 72 Stat. 779, 49 U.S.C. 1427) [Doc. No. 1993, 29 F.R. 5451, Apr. 23, 1964, as amended by Amdt. 43-8, 33 F.R. 12888, Sept. 12, 1968] § 43.16 Rotorcraft Maintenance Manual: "Airworthiness Limitations" section. For rotorcraft for which a Rotorcraft Maintenance Manual containing an "Airworthiness Limitations" section has been issued, each person performing an inspection or other work specified in that section of the manual shall perform the inspection or work in accordance with that section of the manual. (Secs. 604, 605, 72 Stat. 778, 49 U.S.C. 1424, 1425) [Amdt. No. 43-9, 33 F.R. 14107, Sept. 18, 1968] § 43.17 Mechanical work performed on U.S. registered aircraft by certain Canadian persons. (a) A person holding a valid mechanic certificate of competence (Aircraft Maintenance Engineer license) and appropriate ratings issued by the Canadian Government, or a person who is an authorized employee (Approved Inspector) performing work for a company whose system of quality control for the inspection and maintenance of aircraft has been approved by the Canadian Department of Transport may, in connection with aircraft of U.S. registry in Canada: (1) Perform maintenance, preventive maintenance and alterations if those operations are done in accordance with § 43.13 and the maintenance record entries are made in accordance with § 43.9. (2) Perform the 100-hour inspection required by Part 91 of this chapter if that inspection is done in accordance with § 43.15 and the maintenance record entries are made in accordance with § 43.11. (3) Approve (certify) maintenance, preventive maintenance, and alterations performed under this section except that a Canadian Aircraft Maintenance Engineer may not approve a major repair or major alteration. (b) A Canadian Department of Transport Airworthiness Inspector, or an authorized employee (Approved Inspector) performing work for a company approved by the Canadian Department of Transport, may approve (certify) a major repair or major alteration performed under this section if the work was done in accordance with technica data approved by the Administrator. (c) No person may operate in commerce an aircraft, airframe, aircra engine, propeller, or appliance on whi maintenance, preventive maintenan or alteration has been performed und this section unless it has been approve by a person authorized in this sectio (Secs. 101, 610, 72 Stat. 737, 780, 49 US 1301, 1430) [Amdt. 43-10, 33 FR. 1598 Oct. 31, 1968; 33 F.R. 16273, Nov. 6, 1968] NOTE: The record-keeping and reporti requirements contained herein have be approved by the Bureau of the Budget accordance with the Federal Reports Act 1942. APPENDIX A-MAJOR ALTERATIONS, MAJOR REPAIRS, AND PREVENTIVE MAINTENANCE (a) Major alterations—(1) Airfram major alterations. Alterations of the following parts and alterations of the followin types, when not listed in the aircraft specif cations issued by the FAA, are airframe maj alterations: (1) Wings. (ii) Tail surfaces. (iii) Fuselage. (iv) Engine mounts. (v) Control system. (vi) Landing gear. (vii) Hull or floats. (viii) Elements of an airframe including spars, ribs, fittings, shock absorbers, bra ing, cowlings, fairings, and balance weight (ix) Hydraulic and electrical actuatin system of components. (x) Rotor blades. (xi) Changes to the empty weight empty balance which result in an increase i the maximum certificated weight or cen ter of gravity limits of the aircraft. (xii) Changes to the basic design of the fuel, oil, cooling, heating, cabin pressuriza tion, electrical, hydraulic, de-icing, or e haust systems. (xiii) Changes to the wing or to fixed movable control surfaces which affect flutt and vibration characteristics. (2) Powerplant major alterations. Th following alterations of a powerplant whe not listed in the engine specifications issued by the FAA, are powerplant major altera tions. (1) 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 re quires extensive rework and testing of the engine. (11) Changes to the engine by replacing aircraft engine structural parts with parts not supplied by the original manufacturer of parts not specifically approved by the Administrator. |