AD 2017-09-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Undetected web fatigue cracking caused by oil canning may exist in the station 1440 aft pressure bulkhead web.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Repetitive detailed inspections for any oil canning or cracking of the station 1440 aft pressure bulkhead web, and corrective actions if necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
The Boeing Company Model 707 airplanes and Model 720 and 720B 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.