AD 2000-15-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Honeywell | International Inc | Airworthiness Directives; Honeywell International Inc. TFE731-2, -3, -4, and -5 Series Turbofan Engines |
| engine | Garrett | Turbine | Airworthiness Directives; Honeywell International Inc. TFE731-2, -3, -4, and -5 Series Turbofan Engines |
Unsafe Condition
Fatigue cracking in the high pressure compressor (HPC) impeller, leading to uncontained impeller failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove and inspect the HPC impeller according to specified AlliedSignal Inc. Alert Service Bulletin instructions. Replace the impeller with a serviceable one if necessary. Perform repetitive inspections at each core zone inspection (CZI) or access to the HPC module if the impeller has accumulated more than 1,000 cycles since the last eddy current inspection (ECI).
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the earlier of the next core zone inspection (CZI) or next access to the HPC module after the effective date of the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Honeywell International Inc. (formerly AlliedSignal Inc. and Garrett Turbine Engine Company) TFE731-2, -3, -4, and -5 series turbofan engines with specific HPC impeller part numbers installed on various aircraft models, including but not limited to AMD-BA Falcon 10, Dassault-Aviation Mystere-Falcon 50 and 900 series, Dassault Aviation Mystere-Falcon 20 series, Learjet Models 31, 35, 36, and 55 series, Lockheed-Georgia Corporation 1329-23 and 25 series, Israel Aircraft Industries Ltd. 1124 series and 1125 Westwind series, Cessna Model 650 Citation III, VI, and VII series, Raytheon HS-125 series, and Sabreliner NA-265-65 airplanes.
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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