AD 2021-20-19
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
The potential for ignition sources inside fuel tanks caused by latent failures, alterations, repairs, or maintenance actions, which, in combination with flammable fuel vapors, could result in a fuel tank explosion and consequent loss of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revising the existing maintenance or inspection program, as applicable, to incorporate the latest revision of the airworthiness limitations (AWLs).
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 60 days after the effective date of this AD, or at the next inspection required by the maintenance or inspection program, whichever occurs later.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
The Boeing Company Model 767-200, -300, -300F, and -400ER series airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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