91.1505—Repairs assessment for pressurized fuselages.
(a)
No person may operate an Airbus Model A300 (excluding 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 airplane beyond applicable flight cycle implementation time specified below, or May 25, 2001, whichever occurs later, unless repair assessment guidelines applicable to the fuselage pressure boundary (fuselage skin, door skin, and bulkhead webs) that have been 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 are incorporated within its inspection program:
(ii)
Model B4-100 (including Model B4-2C): 30,000 flights above the window line, and 36,000 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.
(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.
(12)
For the Fokker F-28 Mark 1000, 2000, 3000, and 4000, the flight cycle implementation time is 60,000 flights.