AD 2007-17-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747-100 | Airworthiness Directives; Boeing Model 747-100, -200B, -200C, and -200F Series Airplanes |
Unsafe Condition
A 2-inch crack through the fuselage skin and internal bonded doubler at the cutout of the bulk cargo door light, which could result in reduced structural integrity of the fuselage at the bulk cargo door and consequent rapid decompression of the fuselage.
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Required Actions
Perform a high frequency eddy current (HFEC) inspection for cracks in the fuselage skin at the cutout of the bulk cargo door light, in accordance with Boeing Alert Service Bulletin 747-53A2673. Repeat the inspection at intervals not to exceed 3,000 flight cycles. If a crack is found, take corrective actions as specified in the service bulletin or repair using an approved method.
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Compliance Time
Within 1,500 flight cycles after the effective date of this AD, or before the accumulation of 20,000 total flight cycles, whichever is later.
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Affected Aircraft
Boeing Model 747-100, -200B, -200C, and -200F series airplanes, certificated in any category, as identified in Boeing Alert Service Bulletin 747-53A2673, dated February 8, 2007.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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