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Airworthiness Directive 2010-24-12

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Official AD 2010-24-12 · FR doc 2010-30606 · 2010-12-16 · airframe

Airworthiness Directives; The Boeing Company Model 777-200, -300, and -300ER Series Airplanes

What this AD requires

We are adopting a new airworthiness directive (AD) for certain Model 777-200, -300, and -300ER series airplanes. This AD requires installing Teflon sleeving under the clamps of certain wire bundles routed along the fuel tank boundary structure, and cap sealing certain penetrating fasteners of the main and center fuel tanks. This AD results from fuel system reviews conducted by the manufacturer. We are issuing this AD to prevent electrical arcing on the fuel tank boundary structure or inside the fuel tanks, which could result in a fire or explosion.

Which aircraft AD 2010-24-12 applies to

MakesBoeing
Models777-200, 777-300, 777-300ER, 777

Applies to airplanes identified per Table 1: 777-200/-300/-300ER per Boeing Service Bulletin 777-57A0050, Revision 2, dated May 14, 2009; 777-200/-300 per Alert Service Bulletin 777-57A0051, dated May 15, 2006; 777-200/-300/-300ER per Alert Service Bulletin 777-57A0057, Revision 1, dated August 2, 2007; 777-200/-300/-300ER per Alert Service Bulletin 777-57A0059, dated October 30, 2008.

Whether AD 2010-24-12 actually applies to your aircraft (by serial and installed parts) and whether it’s already complied with comes from that aircraft’s records.

How AD compliance is recorded

A valid compliance record (14 CFR 43.9) states:

Method of compliance — The specific action taken (inspected, replaced, modified) and to what revision.
Date — When the work was done.
Aircraft time — Total time in service / tach at compliance — how recurring next-due is computed.
Signature & certificate — The A&P/IA who returned it to service, with certificate number.
Is AD 2010-24-12 complied with on your aircraft?

Tailplate reads a tail number’s logbooks and matches every applicable AD — including this one — to its compliance evidence, with recurring next-due dates computed.

Look up a tail number →Read the full directive (Federal Register)

Applicability is derived from the FAA directive corpus and is advisory, not a legal airworthiness determination. Compliance is established only from an aircraft’s actual records.