AD 2009-04-15
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
Multiple adjacent cracked stringer tie clips and damaged skin and frames, which could lead to the skin and frame structure developing cracks and consequent decompression of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Repetitive internal eddy current and detailed inspections to detect cracked stringer tie clips, measuring fastener spacing and edge margin if applicable, and performing corrective and related investigative actions. Alternatively, repetitive external general visual inspections of the skin and lap joints and repetitive external eddy current sliding probe inspections of the lap joints for cracks and evidence of overload resulting from cracked stringer tie clips, with applicable corrective actions if necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
Boeing Model 737-100, -200, -200C, -300, -400, and -500 series airplanes, with specific line number and part number exclusions as clarified in the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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