AD 2002-05-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747-100 | Airworthiness Directives; Boeing Model 747-100, 747-200, 747-300, 747SP, and 747SR Series Airplanes Powered by Pratt & Whitney JT9D-3 and JT9D-7 Series Engines |
| engine | Pratt & Whitney | JT9D-3 and JT9D-7 Series | Airworthiness Directives; Boeing Model 747-100, 747-200, 747-300, 747SP, and 747SR Series Airplanes Powered by Pratt & Whitney JT9D-3 and JT9D-7 Series Engines |
Unsafe Condition
Cracking of the vertical chords adjacent to the lower spar fitting, which could result in separation of the diagonal brace load path.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the vertical chords of the aft torque bulkhead of the outboard nacelle struts. Perform corrective action if necessary. Modify the vertical chords to end further inspections.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Reduced compliance time and repetitive intervals compared to the existing AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 747-100, 747-200, 747-300, 747SP, and 747SR series airplanes powered by Pratt & Whitney JT9D-3 or JT9D-7 series engines.
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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