AD 2005-05-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Honeywell | International Inc | Airworthiness Directives; Honeywell International Inc. TFE731-2 and -3 Series Turbofan Engines |
| engine | Garrett | Turbine | Airworthiness Directives; Honeywell International Inc. TFE731-2 and -3 Series Turbofan Engines |
Unsafe Condition
Uncontained failure of the low pressure turbine (LPT) stage 1 disk installed in a TFE731-3-1H turbofan engine.
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Required Actions
For TFE731-2 and -2C series engines: Initial and repetitive measurements and calculations to determine acceptance, and adjustment or replacement if necessary, of the LPT stage 1 nozzle assembly. For TFE731-3, -3A, -3AR, -3B, -3BR, and -3R series engines: Replacement of LPT stage 1 disks with serviceable disks. Optional terminating action: Replace the LPT stage 1 disk with a disk having a part number not listed in the AD.
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Compliance Time
Within the applicable compliance times specified in the AD, including major periodic inspection (MPI) or next access to the LPT stage 1 nozzle assembly.
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Affected Aircraft
Honeywell International Inc. TFE731-2 and -2C series, and TFE731-3, -3A, -3AR, -3B, -3BR, and -3R series turbofan engines with LPT stage 1 disks, part numbers (P/Ns) 3072070-All, 3072351-All, 3073013-All, 3073113-All, and 3073497-All.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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