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Airworthiness Directive 2021-02-19

recurring
Official AD 2021-02-19 · FR doc 2021-03462 · 2021-02-19 · airframe

Airworthiness Directives; The Boeing Company Airplanes

What this AD requires

The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 787-8, 787-9, and 787-10 airplanes. This AD requires repetitive general visual inspections of the bilge barriers located in the forward and aft cargo compartments for disengaged or damaged decompression panels, reinstallation of disengaged but undamaged decompression panels, and replacement of damaged decompression panels. This AD was prompted by reports of multiple incidents of torn decompression panels being found in the bilge area. The FAA is issuing this AD to address the unsafe condition on these products.

Repetitive inspection. Re-inspect. The next-due date/hours depend on this aircraft’s time in service — a records report computes it from the logbooks.

Which aircraft AD 2021-02-19 applies to

MakesBoeing
Models787-8, 787-9, 787-10, 787
Part-conditional — C412707-107, C412705-117, C412705-119, C412705-121, C419701-123, C419701-125, C419701-127, C419701-129.

Applies only to airplanes equipped with bilge assemblies with decompression panels having the listed part numbers: 787-8 (C412707-107, C412705-117, C412705-119, C412705-121); 787-9 (C419701-123, C419701-125, C419701-127, C419701-129); 787-10 (852Z0151-100, 852Z0153-101, 852Z0156-103).

Whether AD 2021-02-19 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 2021-02-19 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.