Airworthiness directives › 2019-25-12
AD 2019-25-12 Airworthiness Directives; The Boeing Company Airplanes
Models named: 777-200, -300ER 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 and -300ER series airplanes, certificated in any category, as identified in Boeing Special Attention Service Bulletin 777-35-0041, Revision 1, dated August 14, 2019.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 72 months after September 15, 2016 (the effective date of AD 2016-18-02): Do all applicable actions identified as “RC” (required for compliance) in, and in accordance with, paragraph (g)(1) or (2) of this AD, as applicable. (1) Except as required by paragraph (g)(2) of this AD: Do the actions in accordance with the Accomplishment Instructions of Boeing Special Attention Service Bulletin 777-35-0041, dated April 8, 2016; or Revision 1, dated August 14, 2019. (2) For airplanes identified as Group 4 in Boeing Special Attention Service Bulletin 777-35-0041, Revision 1, dated August 14, 2019: Do the actions in accordance with the Accomplishment Instructions of Boeing Special Attention Service Bulletin 777-35-0041, Revision 1, dated August 14, 2019.
Unsafe condition
This AD was prompted by the determination that the low-pressure oxygen flex hoses in the gaseous passenger oxygen system can potentially be conductive. The FAA is issuing this AD to address the potential for electrical current to pass through the low-pressure oxygen flex hoses in the gaseous passenger oxygen system, which can cause the flex hoses to melt or burn and result in an oxygen-fed fire in the passenger cabin.
Affected ADs
This AD replaces AD 2016-18-02, Amendment 39-18632 (81 FR 59834, August 31, 2016) (“AD 2016-18-02”).
Read the original on the Federal Register →
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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