Summary
We are adopting a new airworthiness directive (AD) for all The Boeing Company Model 787-8 and 787-9 airplanes. This AD was prompted by a report that the parking brake and alternate pitch trim module (PBM) may unintentionally disengage. This AD requires replacing the PBM and doing a PBM installation test. We are issuing this AD to address the unsafe condition on these products.
Directive Details
AD Number
FAA-2017-0553
Document Number
2018-07629
Type
Rule
Publication Date
April 16, 2018
Effective Date
May 21, 2018
Affected Manufacturer
The Boeing Company
Criticality
routine
Emergency
No
Docket ID
Docket No. FAA-2017-0553
Topics
Official Documents
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