83-05-02 PILATUS BRITTEN-NORMAN: Amendment 39-4575. Applies to Model BN-2A Islander and Model BN-2A MKIII Trislander airplanes certificated in any category which have not been modified in accordance with Modification No. NB/M/939 and Modification No. NB/M/996.
COMPLIANCE: Required within 100 hours time-in-service, unless already accomplished.
To prevent failure of throttle, mixture or propeller control, accomplish the following:
a. Using a 5-power glass, visually inspect the attachment brackets on the teleflex conduit swivel assemblies of the propeller control and the two main engine controls for cracking in accordance with Item 1 of the "Inspection" Section of Britten-Norman Service Bulletin No. BN-2/SB.1O9, Issue 3, dated March 5, 1979.
1. Replace any teleflex swivel assembly having a cracked bracket with a serviceable assembly (Part No. C.79412, Part No. C.79411 or Part No. C.79410) and incorporate a teleflex swivel attachment bracket reinforcement as instructed in the "Application of the Reinforcing Scheme" Section of the Service Bulletin.
2. If the bracket is not cracked, incorporate a teleflex swivel attachment bracket reinforcement as shown in the "Application of the Reinforcing Scheme" Section of the Service Bulletin.
b. Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished.
c. An equivalent method of compliance with this AD may be used if approved by Manager, Aircraft Certification Staff, AEU-100, Europe, Africa and Middle East Office, FAA, c/o American Embassy, 1000 Brussels, Belgium.
This amendment becomes effective on March 7, 1983.