AD 2002-03-09 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Honeywell International Inc. | LTP 101-600 | Airworthiness Directives; Honeywell International Inc. (formerly AlliedSignal Inc. and Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines |
| engine | Honeywell International Inc. | LTP 101-600A | Airworthiness Directives; Honeywell International Inc. (formerly AlliedSignal Inc. and Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines |
| engine | Honeywell International Inc. | LTP 101-600A-1A | Airworthiness Directives; Honeywell International Inc. (formerly AlliedSignal Inc. and Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines |
| engine | Honeywell International Inc. | LTP 101-700A-1A | Airworthiness Directives; Honeywell International Inc. (formerly AlliedSignal Inc. and Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines |
| engine | Honeywell International Inc. | LTS101-600A-2 | Airworthiness Directives; Honeywell International Inc. (formerly AlliedSignal Inc. and Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines |
| engine | Honeywell International Inc. | LTS101-600A-3 | Airworthiness Directives; Honeywell International Inc. (formerly AlliedSignal Inc. and Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines |
| engine | Honeywell International Inc. | LTS101-600A-3A | Airworthiness Directives; Honeywell International Inc. (formerly AlliedSignal Inc. and Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines |
| engine | Honeywell International Inc. | LTS101-650B-1 | Airworthiness Directives; Honeywell International Inc. (formerly AlliedSignal Inc. and Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines |
| engine | Honeywell International Inc. | LTS101-650B-1A | Airworthiness Directives; Honeywell International Inc. (formerly AlliedSignal Inc. and Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines |
| engine | Honeywell International Inc. | LTS101-650C-2 | Airworthiness Directives; Honeywell International Inc. (formerly AlliedSignal Inc. and Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines |
Unsafe Condition
Impeller failure from cracks in the impeller back face area, which could result in an uncontained engine failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct a one-time visual inspection for surface finish and a one-time fluorescent penetrant inspection for cracks of impellers part numbers 4-101-052-57/-62. Allow installation of impellers that pass the inspections.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 900 gas generator (Ng) cycles after the effective date of this AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Honeywell International Inc. LTS101 series turboshaft and LTP101 series turboprop engines with impellers part numbers 4-101-052-57 or 4-101-052-62.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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