Airworthiness directives › 2012-13-05
AD 2012-13-05 Airworthiness Directives; The Boeing Company Airplanes
Models named: 777-200, -200LR, -300, -300ER, 777F series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to The Boeing Company Model 777-200, -200LR, -300, -300ER, and 777F series airplanes; certificated in any category; as identified in Boeing Alert Service Bulletin 777-35A0027, Revision 1, dated April 19, 2012.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 18 months after the effective date of this AD: Replace the low-pressure oxygen hoses with non-conductive low-pressure oxygen hoses in the flight compartment, in accordance with the Accomplishment Instructions of Boeing Alert Service Bulletin 777-35A0027, dated December 15, 2011, or Boeing Alert Service Bulletin 777-35A0027, Revision 1, dated April 19, 2012.
Unsafe condition
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. 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.
Affected ADs
None.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1