AD 2004-07-19

final rule
Data completeness: 70%

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

AD Number
2004-07-19
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 2002-NM-207-AD
FR Citation
69 FR 17918

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

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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