# Airworthiness Directives; The Boeing Company Airplanes
> **Rule** · Final rule. · Published 2012-07-12 · Effective 2012-08-16 · 77 FR 41045
## Document
- **Document number:** 2012-15893
- **Category:** airworthiness
- **Manufacturer:** The Boeing Company
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 77 FR 41045
- **Publication date:** 2012-07-12
- **Effective date:** 2012-08-16
- **FAA docket:** Docket No. FAA-2012-0104
## Abstract

We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 777-200, -200LR, -300, -300ER, and 777F series airplanes. This AD was prompted by a report indicating that a fire originated near the first officer's area, which caused extensive damage to the flight deck. This AD requires replacing the low-pressure oxygen hoses with non-conductive low-pressure oxygen hoses in the flight compartment. We are issuing this AD to prevent electrical current from passing through the low-pressure oxygen hose internal anti-collapse spring, which can cause the low-pressure oxygen hose to melt or burn, and a consequent oxygen-fed fire in the flight compartment.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/07/12/2012-15893/airworthiness-directives-the-boeing-company-airplanes)
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