AD 2021-10-19
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
inadequate airworthiness limitations (AWLs) and damage tolerance rating (DTR) values in the maintenance or inspection program that reduce the probability of detection for foreseeable fatigue cracking of structurally significant items (SSIs).
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Required Actions
revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive AWLs.
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Compliance Time
Within 90 work-hours
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Affected Aircraft
The Boeing Company Model 767-200, -300, -300F, and -400ER series airplanes, line numbers 1 through 1218 inclusive.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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