AD 2017-18-20
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Cracking of the cam support assemblies of the main cargo door (MCD) could result in reduced structural integrity of the MCD and consequent rapid decompression of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct repetitive ultrasonic inspections for cracking of the cam support assemblies of the MCD. Replace the cam support assemblies if cracking is detected.
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Compliance Time
Before the accumulation of 18,000 door flight cycles, or within 10 years after the utilization of MCD cam support assemblies, whichever occurs first. If door flight cycles are not known, use total airplane flight cycles.
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Affected Aircraft
The Boeing Company Model 707 airplanes equipped with a main cargo door (MCD).
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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