2017-15-02
FR doc 2017-15031 · 82 FR 33439AD 2017-15-02Published 2017-07-20Effective 2017-08-04
Superseded by 2018-17-01
Supersedence is read from the Federal Register text of the newer AD — the FAA publishes no structured field for it — and names only ADs held in our index.
Requires replacing certain oil and fuel check valves and prohibits installing them on any helicopter.
Full official abstract
We are adopting a new airworthiness directive (AD) for Bell Model 212 and Model 412 helicopters. This AD requires replacing certain oil and fuel check valves and prohibits installing them on any helicopter. This AD is prompted by a report of cracked or leaking check valves. These actions are intended to address an unsafe condition on these helicopters.
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- AD 2024-17-02 Airworthiness Directives; Bell Textron Inc. Helicopters Effective 2024-11-08
- AD 2024-19-17 Airworthiness Directives; Bell Textron Inc. and Various Restricted Categ... Effective 2024-10-11
- AD 2022-20-14 Airworthiness Directives; Bell Textron Inc., Helicopters and Various Res... Effective 2022-12-27
- AD 2022-22-12 Airworthiness Directives; Bell Textron Inc., Erickson 214 Holdings, LLC,... Effective 2022-11-22
