AD 2000-07-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 737-100 | Airworthiness Directives; Boeing Model 737-100, -200, -200C, -300, -400, and -500 Series Airplanes |
Unsafe Condition
Fatigue cracks in the lower corners of the door frame and cross beam of the forward cargo door could result in rapid depressurization of the airplane.
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Required Actions
Inspect the lower corners of the door frame and cross beam of the forward cargo door for cracking. Repair or replace the door frame as necessary. Install a cross beam repair and reinforcement modification. Modify the repaired or replaced door frame as specified.
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Compliance Time
Within 4 years or 12,000 flight cycles after the effective date, whichever occurs later.
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Affected Aircraft
All Boeing Model 737-100, -200, -200C, -300, -400, and -500 series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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