AD 2001-15-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747 | Airworthiness Directives; Boeing Model 747 Series Airplanes Powered By Pratt & Whitney JT9D-3 and -7 Series Engines |
| engine | Pratt & Whitney | JT9D-3 and -7 Series | Airworthiness Directives; Boeing Model 747 Series Airplanes Powered By Pratt & Whitney JT9D-3 and -7 Series Engines |
Unsafe Condition
Loose fasteners and associated damage to the hanger fittings and bulkhead of the forward engine mount, which could result in separation of the engine from the airplane.
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Required Actions
Inspect and perform repetitive torque checks of the hanger fittings and strut forward bulkhead of the forward engine mount and adjacent support structure. Perform corrective actions if necessary. Install the previously optional terminating action.
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Compliance Time
Within 12 months of the effective date (August 24, 2001).
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Affected Aircraft
Boeing Model 747 series airplanes powered by Pratt & Whitney JT9D-3 and -7 series engines, as listed in Boeing Alert Service Bulletin 747-54A2203, dated August 31, 2000, except Model 747 series airplanes having serial numbers 21048 and 20887.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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