Service Bulletin No. 539 A
Reprint of Crane/Lear Romec Service Bulletins No. RG9080-73-001, No. RG9570-73-001, and No. RG17980-73-001
Publications
Supersedes Service Bulletin No. 539 and Supplement No. 1
November 22, 2000
MODELS AFFECTED
Those Textron Lycoming aircraft engines shipped before December 11, 1999, that employ Crane/Lear Romec rotary fuel pump models identified below.
TIME OF COMPLIANCE
Same as that required for Crane/Lear Romec Service Bulletins No. RG9080- 73-001, No. RG9570- 73-001, and No. RG17980-73-001.
Crane/Lear Romec Service Bulletins No. RG9080-73-001, No. RG9570-73-001, and No. RG17980-73-001 are reprinted in their entirety as follows. Textron Lycoming requires compliance with these Service Bulletins.
Find a Service Center
Every Lycoming Service Center can help keep your engine up to date with all Service Bulletins.