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 flight manuals. We are issuing this AD to address the unsafe condition on these products.
Directive Details
AD Number
FAA-2017-0020
Document Number
2018-04614
Type
Rule
Publication Date
March 8, 2018
Effective Date
April 12, 2018
Affected Manufacturer
Honeywell International Inc. Turbofan
Criticality
routine
Emergency
No
Docket ID
Docket No. FAA-2017-0020
Topics
Official Documents
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