Airworthiness Directives; Textron Lycoming Model O-540-F1B5 Reciprocating Engines
airworthiness · Rule · Final rule; request for comments. · Published 1999-02-03 · Effective 1999-02-18 · 64 FR 5149
Document
Document number
99-2474
Federal Register citation
64 FR 5149
Type
Rule
Action
Final rule; request for comments.
Category
airworthiness
Manufacturer
Textron Lycoming Model O-540-F1B5 Reciprocating
Publication date
1999-02-03
Effective date
1999-02-18
FAA docket
Docket No. 98-ANE-73-AD
Abstract
This amendment adopts a new airworthiness directive (AD) that is applicable to Textron Lycoming Model O-540-F1B5 reciprocating engines. This action requires the removal and replacement of the crankshaft gear retaining bolts. This amendment is prompted by 2 reported failures of the crankshaft gear retaining bolts. The actions specified in this AD are intended to prevent failure of the crankshaft gear retaining bolts, which can result in engine failure and subsequent autorotation and forced landing.