AD 2018-04-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Honeywell | International Inc | Airworthiness Directives; Honeywell International Inc. Turbofan Engines |
Unsafe Condition
Seven loss-of-thrust-control events attributed to water intrusion of the engine electronic control unit (ECU).
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Applying sealant to identified areas of the ECU and inserting a copy of certain airplane operating procedures into the applicable flight manuals.
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Compliance Time
Within 50 flight hours
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Affected Aircraft
Honeywell International Inc. AS907 series turbofan engines, engine model, serial numbers, and listed ECU part numbers (P/Ns) that are not sealed in the areas identified in Figures 1 through 13 of Honeywell SB AS907-76-9021, Revision 1, dated April 20, 2017.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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