AD 2005-01-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747-100 | Airworthiness Directives; Boeing Model 747-100, -200B, -200F, -200C, -100B, -300, -100B SUD, -400, -400D, -400F, and 747SR Series Airplanes |
Unsafe Condition
Cracking of the frame web and inner chords on the forward edge frame of the number 5 main entry door, which could result in cracking, subsequent severing of the frame, and consequent rapid depressurization of the airplane.
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Required Actions
For airplanes not previously inspected under AD 2001-16-02, perform a one-time detailed inspection for discrepancies (nicks, scratches, and/or gouges) of the frame web and inner cords (forward and aft) of the forward edge frame of the number 5 main entry door cutout, following Boeing Alert Service Bulletin 747-53A2494.
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Compliance Time
Within the latest of: before the accumulation of 10,000 total flight cycles, within 1,500 flight cycles after the effective date, or within 24 months after the effective date.
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Affected Aircraft
Boeing Model 747-100, -200B, -200F, -200C, -100B, -300, -100B SUD, -400, -400D, -400F, and 747SR series airplanes; line numbers 1 through 1333 inclusive; certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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