AD 2005-22-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747-100 | Airworthiness Directives; Boeing Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747SR, and 747SP Series Airplanes |
Unsafe Condition
Reports of cracking at the upper aft corner of the cutout for main entry door number 1 in the station 488 frame web. These cracks could cause the frame to break and lead to rapid decompression of the airplane.
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Required Actions
Perform a one-time high-frequency eddy current inspection and repetitive detailed inspections for cracks in the frame web of main entry door number 1. Repair the door frame web if necessary. Optional terminating action is provided for the repetitive inspections.
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Compliance Time
Within 12 months of the effective date (November 30, 2005).
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Affected Aircraft
Boeing Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747SR, and 747SP series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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