# Proposed AD FAA-2014-0920: The Boeing Company Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2015-07-07
- Products: Boeing
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: December 10, 2014, 79 FR 73252
- Comments due: January 26, 2015
- Became: [AD 2015-07-07](https://openairdocs.org/ad/2015-07-07)
- Docket: FAA-2014-0920 (https://www.regulations.gov/docket/FAA-2014-0920, where comments are filed)
- Project: 2014-NM-192-AD
- FR document: 2014-28921
- Official PDF: https://openairdocs.org/files/sha256/60/d9/60d91376851238389d9948b39865537c7523d4c19f424c17ae06fae8d4a75486 (from https://www.govinfo.gov/content/pkg/FR-2014-12-10/pdf/2014-28921.pdf)
- Federal Register: https://www.federalregister.gov/documents/2014/12/10/2014-28921/airworthiness-directives-the-boeing-company-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EDCFB428251B2E7D86257DAA004BB45E.0001
- Page: https://openairdocs.org/proposed/FAA-2014-0920

## Summary

We propose to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 777-200, -200LR, -300ER, and 777F series airplanes. This proposed AD was prompted by a report of a jettison fuel pump that was shut off by the automatic shutoff system during the center tank fuel scavenge process on a short-range flight. This proposed AD would require making wiring changes, modifying certain power panels, installing electrical load management system software, and accomplishing a functional test. We are proposing this AD to prevent extended dry running of the jettison fuel pumps, which can be a potential ignition source inside the main fuel tanks, and consequent fuel tank fire or explosion in the event that the jettison pump overheats or has an electrical fault.

## Notices in this docket

- Dec 10, 2014: Notice of proposed rulemaking (NPRM). (first notice), FR document 2014-28921, comments due Jan 26, 2015 (https://www.federalregister.gov/documents/2014/12/10/2014-28921/airworthiness-directives-the-boeing-company-airplanes)

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