CFR > Title 14 - Aeronautics and Space > CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION > SUBCHAPTER G—AIR CARRIERS AND OPERATORS FOR COMPENSATION OR HIRE: CERTIFICATION AND OPERATIONS (parts 110 to 139) > PART 125—CERTIFICATION AND OPERATIONS: AIRPLANES HAVING A SEATING CAPACITY OF 20 OR MORE PASSENGERS OR A MAXIMUM PAYLOAD CAPACITY OF 6,000 POUNDS OR MORE; AND RULES GOVERNING PERSONS ON BOARD S > SUBPART M—Continued Airworthiness and Safety Improvements (§125.501 to §125.509) > 125.505—Repairs assessment for pressurized fuselages.

125.505—Repairs assessment for pressurized fuselages.

(a) No person may operate an Airbus Model A300 (exlcuding the -600 series), British Aerospace Model BAC 1-11, Boeing Model 707, 720, 727, 737 or 747, McDonnell Douglas Model DC-8, DC-9/MD-80 or DC-10, Fokker Model F28, or Lockheed Model L-1011 beyond the applicable flight cycle implementation time specified below, or May 25, 2001, whichever occurs later, unless operations specifications have been issued to reference repair assessment guidelines applicable to the fuselage pressure boundary (fuselage skin, door skin, and bulkhead webs), and those guidelines are incorporated in its maintenance program. The repair assessment guidelines must be approved by the FAA Aircraft Certification Office (ACO), or office of the Transport Airplane Directorate, having cognizance over the type certificate for the affected airplane.
(1) For the Airbus Model A300 (excluding the -600 series), the flight cycle implementation time is:
(i) Model B2: 36,000 flights.
(ii) Model B4-100 (including Model B4-2C): 30,000 flights above the window line, and 36,000 flights below the window line.
(iii) Model B4-200: 25,500 flights above the window line, and 34,000 flights below the window line.
(2) For all models of the British Aerospace BAC 1-11, the flight cycle implementation time is 60,000 flights.
(3) For all models of the Boeing 707, the flight cycle implementation time is 15,000 flights.
(4) For all models of the Boeing 720, the flight cycle implementation time is 23,000 flights.
(5) For all models of the Boeing 727, the flight cycle implementation time is 45,000 flights.
(6) For all models of the Boeing 737, the flight cycle implementation time is 60,000 flights.
(7) For all models of the Boeing 747, the flight cycle implementation time is 15,000 flights.
(8) For all models of the McDonnell Douglas DC-8, the flight cycle implementation time is 30,000 flights.
(9) For all models of the McDonnell Douglas DC-9/MD-80, the flight cycle implementation time is 60,000 flights.
(10) For all models of the McDonnell Douglas DC-10, the flight cycle implementation time is 30,000 flights.
(11) For all models of the Lockheed L-1011, the flight cycle implementation time is 27,000 flights.
(12) For the Fokker F-28 Mark, 1000, 2000, 3000, and 4000, the flight cycle implementation time is 60,000 flights.
(b) [Reserved]

Code of Federal Regulations

[Doc. No. 29104, 65 FR 24126, Apr. 25, 2000; 65 FR 50744, Aug. 21, 2000, as amended by Amdt. 125-36, 66 FR 23131, May 7, 2001; Amdt. 125-40, 67 FR 72834, Dec. 9, 2002; Amdt. 125-46, 69 FR 45942, July 30, 2004. Redesignated by Amdt. 125-53, 72 FR 63412, Nov. 8, 2007]