airworthiness · Rule · Final rule. · Published 2020-08-17 · Effective 2020-09-21 · 85 FR 49952
Document
Document number
2020-17894
Federal Register citation
85 FR 49952
Type
Rule
Action
Final rule.
Category
airworthiness
Manufacturer
Sikorsky
Publication date
2020-08-17
Effective date
2020-09-21
FAA docket
Docket No. FAA-2019-1115
Abstract
The FAA is adopting a new airworthiness directive (AD) for certain Sikorsky Aircraft Corporation (Sikorsky) Model S-92A helicopters. This AD was prompted by two incidents of erroneous low oil pressure caution cockpit indications and unintended actuation of the main gearbox (MGB) auto bypass valve. This AD requires installing auxiliary circuit breaker modification (MOD) kits and inserting a Rotorcraft Flight Manual (RFM) Supplement into the existing RFM for your helicopter. The FAA is issuing this AD to address the unsafe condition on these products.