AD 76-18-11

final rule
Data completeness: 70%

BOEING Model 727-100 and 727-100C Series Airplanes

AD Number
76-18-11
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
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.

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

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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