airworthiness · Rule · Final rule; request for comments. · Published 2016-03-22 · Effective 2016-04-06 · 81 FR 15154
Document
Document number
2016-06372
Federal Register citation
81 FR 15154
Type
Rule
Action
Final rule; request for comments.
Category
airworthiness
Manufacturer
Turbomeca S.A. Turboshaft
Publication date
2016-03-22
Effective date
2016-04-06
FAA docket
Docket No. FAA-2016-2701
Abstract
We are adopting a new airworthiness directive (AD) for certain Turbomeca S.A. Makila 2A and 2A1 turboshaft engines. This AD requires tightening the nut attaching the swivel union to the engine power turbine module M04. This AD was prompted by two occurrences of commanded in-flight shutdown following low oil pressure warning. We are issuing this AD to prevent loosening of the nut and oil leakage from the low-pressure oil system, which could lead to in-flight shutdown of the engine and forced landing.