AD 2000-11-28
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747-400 and 767-200 and -300 | Airworthiness Directives; Boeing Model 747-400 and 767-200 and -300 Series Airplanes Powered by Pratt & Whitney Model PW4000 Series Engines |
| engine | Pratt & Whitney | PW4000 Series | Airworthiness Directives; Boeing Model 747-400 and 767-200 and -300 Series Airplanes Powered by Pratt & Whitney Model PW4000 Series Engines |
Unsafe Condition
Damage and wear of the auxiliary track assembly of the thrust reverser could lead to a slider disengaging from the auxiliary track assembly, which could result in separation of a portion of the thrust reverser from the airplane during flight, possible impact on airplane structure, and consequent rapid decompression, reduced controllability, or reduced structural integrity of the fuselage.
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Required Actions
Inspect the auxiliary track assembly for damage and wear, and take corrective actions if necessary. Eventually, repair the auxiliary track assembly or replace the slider and liner or the entire assembly with new, improved parts. Terminate repetitive inspections upon completion of the repair or replacement.
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Compliance Time
Within 90 days of the effective date.
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Affected Aircraft
Boeing Model 747-400 and 767-200 and -300 series airplanes powered by Pratt & Whitney Model PW4000 series engines.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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