AD 2021-10-19

final rule
Data completeness: 70%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2021-10-19
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2019-0862
FR Citation
86 FR 28483

Applicability

TypeManufacturerModelDetails
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).

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 new or more restrictive AWLs.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 90 work-hours

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, line numbers 1 through 1218 inclusive.

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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.