# Airworthiness Directives; Boeing Model 777-200 Series Airplanes
> **Rule** · Final rule. · Published 2005-05-19 · Effective 2005-06-23 · 70 FR 28793
## Document
- **Document number:** 05-9873
- **Category:** airworthiness
- **Manufacturer:** Boeing Model 777-200 Series
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 70 FR 28793
- **Publication date:** 2005-05-19
- **Effective date:** 2005-06-23
- **FAA docket:** Docket No. FAA-2004-19998
## Abstract

The FAA is adopting a new airworthiness directive (AD) for certain Boeing Model 777-200 series airplanes. This AD requires replacing the pressure switches on the override/jettison fuel pumps with new pressure switches, and replacing the ship side electrical connectors for the pressure switches on override/jettison fuel pumps with new connectors. This AD is prompted by reports that the "FUEL LOW CENTER" message does not activate when the fuel level in the center tank is low. We are issuing this AD to prevent the fuel pumps in the center fuel tank from running dry and becoming a potential ignition source, which could result in a fuel tank explosion.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2005/05/19/05-9873/airworthiness-directives-boeing-model-777-200-series-airplanes)
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