# Airworthiness Directives; The Boeing Company Airplanes
> **Rule** · Final rule; request for comments. · Published 2012-12-05 · Effective 2012-12-05 · 77 FR 72200
## Document
- **Document number:** 2012-29405
- **Category:** airworthiness
- **Manufacturer:** The Boeing Company
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 77 FR 72200
- **Publication date:** 2012-12-05
- **Effective date:** 2012-12-05
- **FAA docket:** Docket No. FAA-2012-1220
## Abstract

We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 787-8 airplanes. This AD requires ensuring that lockwire is installed correctly on the engine fuel feed manifold couplings. This AD also requires inspecting the assembly of the engine fuel feed manifold rigid and full flexible couplings. This AD was prompted by reports of fuel leaks due to improperly assembled engine fuel feed manifold couplings. We are issuing this AD to detect and correct improperly assembled couplings, which could result in fuel leaks and consequent fuel exhaustion, engine power loss or shutdown, or leaks on hot engine parts that could lead to a fire.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/12/05/2012-29405/airworthiness-directives-the-boeing-company-airplanes)
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