AD 2015-21-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Cracking in the inspar upper skin and rear spar upper chord could result in the inability of the structure to carry limit load, or result in a fuel leak.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Repetitive eddy current inspections for any cracking in the inspar upper skin, and related investigative and corrective actions if necessary.
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Compliance Time
Before further flight
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Affected Aircraft
The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes, excluding Group 1, configuration 1 airplanes that have already undergone the high frequency eddy current open-hole inspection per Boeing Special Attention Service Bulletin 737-57-1318.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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