81-01-02 R1 GOVERNMENT AIRCRAFT FACTORIES (GAF): Amendment 39-3999 as amended by Amendment 39-4147. Applies to Models N22B (Serial Nos. N22B-5 and up) and N24A (Serial Nos. N24A and up), certificated in all categories, which are equipped with fuel selector cables U2000 LAS-2-( ) and U2000 LA-2-( ); i.e., the U2000L series.
Compliance required as indicated.
To prevent failure of the fuel tank selector valves or the fuel shut-off valves to operate, accomplish the following:
(a) Within the next 25 hours time in service after the effective date of this AD, unless already accomplished, inspect the cable sleeves on the fuel tank selector valve and fuel shut-off valve. If they are incorrectly crimped, cracked, or loose, before further flight, repair No. ANMD- 28-11 (hereinafter referred to as the Service Bulletin) dated August 21, 1980, or an FAA-approved equivalent.
(b) Cable sleeves on the fuel tank selector cable which have been repaired in accordance with GAF Nomad Alert Service Bulletin No. ANMD-28-11, dated August 21, 1980, or an FAA-approved equivalent, must be visually inspected prior to the first flight of each day in accordance with paragraph 4 of the service bulletin, and replaced prior to the accumulation of 200 hours time in service from the time of repair.
(c) If an equivalent is used in complying with paragraph (a) of this AD, that equivalent must be approved by the Chief, Engineering and Manufacturing District Office, FAA, Pacific-Asia Region, Honolulu, Hawaii.
NOTE: All persons affected by this directive who have not already received the Service Bulletin from the manufacturer may obtain copies upon request to the Government Aircraft Factories, 226 Lorimer Street, Port Melbourne 3207 Vic., Australia. These documents may be examined at the FAA, Engineering and Manufacturing District Office, 300 Ala Moana Blvd., Room 7321, Honolulu, Hawaii 96850, or Rules Docket, Room 916, FAA, 800 Independence Ave., S.W., Washington, DC20591.
Amendment 39-3999 became effective January 5, 1981.
This amendment 39-4147 becomes effective June 22, 1981, as to all persons except those persons to whom it was made immediately effective by telegraphic AD T81-01-02 R1, issued January 16, 1981, which contained this amendment.