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.
Document
Airworthiness Directives; The Boeing Company Airplanes
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 altern...
Legal Citation
Federal Register Citation
Use this for formal legal and research references to the published document.
83 FR 16188
Web Citation
Suggested Web Citation
Use this when citing the archival web version of the document.
“Airworthiness Directives; The Boeing Company Airplanes,” thefederalregister.org (April 16, 2018), https://thefederalregister.org/documents/2018-07629/airworthiness-directives-the-boeing-company-airplanes.