AD 2002-12-15

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Pratt & Whitney PW4000 Series Turbofan Engines

AD Number
2002-12-15
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 2000-NE-49-AD
FR Citation
67 FR 42981

Applicability

TypeManufacturerModelDetails
engine Pratt & Whitney PW4000 Series Airworthiness Directives; Pratt & Whitney PW4000 Series Turbofan Engines

Unsafe Condition

Cracking of the high pressure compressor (HPC) front drum rotors, which could result in HPC drum rotor failure and an uncontained engine failure, leading to damage to the airplane.

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

Required Actions

Inspect HPC front drum rotors for cracking based on cycle usage, with specific clarification for rotors with fewer than 1,000 cycles-since-new (CSN). Remove from service any cracked HPC front drum rotors.

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

Affected Aircraft

Pratt & Whitney PW4000 series turbofan 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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.

View Official Source ↗ Find More ADs for Pratt & Whitney PW4000 Series

Related Airworthiness Directives

2011-10-02

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Airworthiness Directives; The Boeing Company Model 747-400, 747-400D, and 747-400F Series Airplanes Equipped With General Electric CF6-80C2 or Pratt & Whitney PW4000 Series Engines

Unsafe Condition: could result in reduced climb performance and consequent collision with terrain and obstacles or forced landing of the airplane.

Effective: Jun 15, 2011 Category: aircraft

2010-24-14 Recurring

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Airworthiness Directives; Pratt & Whitney PW4000 Series Turbofan Engines

Unsafe Condition: The FAA is adopting a new airworthiness directive (AD) for certain Pratt & Whitney PW4000 series turbofan engines. This AD requires initial and repetitive borescope inspections (BSI) or fluorescent...

Effective: Jan 21, 2011 Category: engine

2008-24-13

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Unsafe Condition: could result in loss of thrust and prevent continued safe flight or landing.

Effective: Jan 8, 2009 Category: engine

2005-25-09

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Airworthiness Directives; Pratt & Whitney PW4000 Series Turbofan Engines

Unsafe Condition: could result in uncontained failures.

Effective: Jun 12, 2006 Category: engine

View all Pratt & Whitney ADs →