AD 2018-04-13
Effective 04/12/2018 · Published 03/08/2018
Airworthiness Directives; Honeywell International Inc. Turbofan Engines
Summary
We are adopting a new airworthiness directive (AD) for certain Honeywell International Inc. AS907 series turbofan engines. This AD was prompted by seven loss-of-thrust-control events attributed to water intrusion of the engine electronic control unit (ECU). This AD requires applying sealant to identified areas of the ECU and requires inserting a copy of certain airplane operating procedures into the applicable fligh…