AD 2004-07-19
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747-100 | Airworthiness Directives; Boeing Model 747-100, -100B, -100B SUD, -200B, -200C, -200F, -300, 747SR, and 747SP Series Airplanes Equipped With Pratt & Whitney JT9D-3, -7, -7Q, and -7R4G2 Series Engines |
| engine | Pratt & Whitney | JT9D-3 | Airworthiness Directives; Boeing Model 747-100, -100B, -100B SUD, -200B, -200C, -200F, -300, 747SR, and 747SP Series Airplanes Equipped With Pratt & Whitney JT9D-3, -7, -7Q, and -7R4G2 Series Engines |
Unsafe Condition
Improper connection of the cowl latch could result in separation of a cowl panel from the airplane, causing damage to the airplane, rapid depressurization, and hazards to persons or property on the ground.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Drill witness holes through the cowl skin at the cowl latch locations in the left-hand side of the cowl panel assembly of each engine.
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Compliance Time
Before further flight
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Affected Aircraft
Boeing Model 747-100, -100B, -100B SUD, -200B, -200C, -200F, -300, 747SR, and 747SP series airplanes equipped with Pratt & Whitney JT9D-3, -7, -7Q, and -7R4G2 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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