AD 2005-05-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747-100B SUD | Airworthiness Directives; Boeing Model 747-100B SUD, -300, -400, and -400D Series Airplanes |
Unsafe Condition
Fatigue cracking of the fuselage frame to tension tie joints, which could result in severing of the tension ties and consequent rapid decompression of the airplane fuselage.
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Required Actions
Perform a detailed inspection for discrepancies of the fuselage frame to tension tie joints at body stations (BS) 1120 through BS 1220, and determine if steel splice plates are installed on the fuselage frames. Do any applicable investigative and corrective actions before further flight.
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Compliance Time
Within 1,000 flight cycles after the effective date of this AD, or before the accumulation of 4,000 total flight cycles, whichever is later.
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Affected Aircraft
Boeing Model 747-100B SUD, -300, -400, and -400D series airplanes, certificated in any category, as identified in Boeing Special Attention Service Bulletin 747-53-2483, Revision 1, dated August 28, 2003.
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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