AD 2001-14-20
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 737-100 and -200 | Airworthiness Directives; Boeing Model 737-100 and -200 Series Airplanes |
Unsafe Condition
Fatigue cracking in the main deck floor beams located at certain body stations, which could result in rapid decompression and consequent reduced controllability of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the main deck floor beams at specified body stations for fatigue cracking. Repair any cracking found, as necessary. Implement repetitive inspections at intervals of 6,000 flight cycles. Optional terminating action is available for the repetitive inspections.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 6,000 flight cycles or 15 months after the effective date, whichever occurs later.
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Affected Aircraft
Boeing Model 737-100 and -200 series airplanes, as listed in the referenced service bulletin.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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