AD 76-18-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 727-100 Series | BOEING Model 727-100 and 727-100C Series Airplanes |
| aircraft | The Boeing Company | 727-100C Series | BOEING Model 727-100 and 727-100C Series Airplanes |
Unsafe Condition
Cracks in the aft cargo door lower stop fittings and adjacent door frame structure due to pressurization cycles.
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Required Actions
Within 500 flights from the effective date, inspect the aft cargo door's four lowest side stop fittings and door frame structure. Repeat inspections every 1000 flights. Replace cracked fittings and repair frame prior to further flight or continue service with restrictions for up to 50 flights. Use Boeing Alert Service Bulletin 727-52-A102 or approved method.
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Compliance Time
Within the next 500 flights from the effective date of this amendment
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Affected Aircraft
Boeing Model 727-100 and 727-100C series airplanes with P/N 65-19670-2 and -3 aft cargo door lowest side stop fittings that have accumulated 15,000 or more pressurization cycles.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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