75-17-05 R1 BRITISH AIRCRAFT CORPORATION: Amendment 39-2303 as amended by Amendment 39-4197. Applies to BAC Model 1-11, 200 Series airplanes.
Compliance is required as indicated.
To detect and repair cracks in the nose landing gear sustaining ram, accomplish the following:
(a) Within the next 500 landings after the effective date of this AD or before the accumulation of 20,500 landings, whichever occurs later, unless already accomplished within the last 1,000 landings, and thereafter at intervals not to exceed 1,500 landings from the last inspection, inspect the nose landing gear sustaining ram P/N AB44A-1399, for cracks using a permanent magnet or suitable electro-magnetic process in accordance with paragraph 2.1.1 of British Aerospace, Aircraft Group, Alert Service Bulletin 32-A-PM5070, Issue No. 3, dated March 29, 1979 (hereinafter referred to as the Service Bulletin), or an FAA-approved equivalent.
(b) If cracks are found during an inspection required by paragraph (a) of this AD which exceed the limits specified in paragraph 2.1.7 of the Service Bulletin, before further flight, replace the nose landing gear sustaining ram, P/N AB44A-1399, with a serviceable part of the same part number.
(c) If cracks are found during an inspection required by paragraph (a) of this AD which do not exceed the limits specified in paragraph 2.1.7 of the Service Bulletin, before further flight, either -
(1) Replace the nose landing gear sustaining ram, P/N AB44A-1399, with a serviceable part of the same part number; or
(2) Remove the cracks in accordance with instructions in paragraph 2.1.4 of the Service Bulletin, or an FAA-approved equivalent, and reprotect the ram in accordance with the instructions in either paragraph 2.1.5 or 2.1.6 of the Service Bulletin, or an FAA-approved equivalent.
(d) For the purpose of complying with this AD, subject to acceptance by the assigned FAA Maintenance Inspector, the number of landings may be determined bydividing each airplane's hours' time in service by the operator's fleet average time from takeoff to landing for the BAC 1-11 airplane.
(e) If an equivalent means of compliance is used in complying with this AD, that equivalent means must be approved by the Chief, Aircraft Certification Staff, Europe, Africa, and Middle East Office, FAA, c/o American Embassy, Brussels, Belgium.
The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to British Aerospace, Inc., Box 17414, Dulles International Airport, Washington, D.C. 20041. These documents may be examined at FAA Headquarters, Room 916, 800 Independence, SW., Washington, D.C. 20591.
Amendment 39-2303 became effective September 1, 1975.
This amendment 39-4197 becomes effective September 8, 1981.