AD 2017-20-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Fatigue cracking in transport category airplanes approaching or exceeding their design service objective, as identified through a structural reevaluation conducted by the manufacturer.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revise the maintenance or inspection program to add supplemental inspections. Inspect each structural significant item (SSI) for cracks and repair any cracked structure. Report SSI discrepancies as applicable.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before the accumulation of 66,000 total flight cycles, or within 12 months after the effective date of this AD, or at the next scheduled inspection as required by AD 98-11-04 R1 or AD 2008-08-23, whichever occurs later.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
The Boeing Company Model 737-100, -200, and -200C 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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.