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NPRM FAA-2017-0052

Became AD 2020-02-11
Open the Markdown

Proposed airworthiness directive · Bell Helicopter Textron

Open in Federal RegisterComment on regulations.gov

Official PDF· 233 KB
Download from govinfo.gov
Published
August 2, 2018 · 83 FR 37764
Comments due
October 1, 2018
Action
Notice of proposed rulemaking (NPRM)
Became
AD2020-02-11
Docket
FAA-2017-0052
FR document
2018-16495
Products
Aircraft

A proposal is not in force. If adopted, it becomes an AD, usually with changes. Only the Federal Register edition is official.

Summary

We propose to supersede airworthiness directive (AD) 2015-04- 04 for Bell Helicopter Textron Inc. (Bell) Model 412 and 412EP helicopters. AD 2015-04-04 requires revising the Rotorcraft Flight Manual (RFM) and installing a placard to limit flights to visual flight rules (VFR) and prohibiting night operations because of failing inverters. This proposed AD would require replacing the inverters with a new inverter. The actions in this proposed AD are intended to correct an unsafe condition on these products.

The resulting AD

AD 2020-02-11Inverter · Bell Helicopter Textron 412 and 412EPEffective Mar 17, 2020 · Supersedes AD 2015-04-04

Notices in this docket · 1

FR 2018-16495Notice of proposed rulemaking (NPRM)Published Aug 2, 2018 · comments due Oct 1, 2018