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Airworthiness Directive 2016-17-11

one-time
Official AD 2016-17-11 · FR doc 2016-20374 · 2016-08-26 · airframe

Airworthiness Directives; The Boeing Company Airplanes

What this AD requires

We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 787-8 airplanes. This AD requires a one-time inspection of the engine pylon wiring bracket on the left wing for the presence of an existing corner relief fillet, and corrective action if necessary. This AD was prompted by a report indicating that the engine pylon wiring bracket on certain airplanes was missing a corner relief fillet, which could result in stress concentration and cracking in the engine pylon wiring bracket. We are issuing this AD to detect and correct cracking in the engine pylon wiring bracket. Such cracking could result in damage to adjacent power feeders, subsequent electrical arcing in a flammable leakage zone, and consequent uncontrollable fire.

Which aircraft AD 2016-17-11 applies to

MakesBoeing
Models787-8, 787

Applies to airplanes identified in Boeing Alert Service Bulletin B787-81205-SB570012-00, Issue 001, dated March 14, 2013.

Whether AD 2016-17-11 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 2016-17-11 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.