AD 95-16-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Honeywell International Inc. | LTP 101-600 | Airworthiness Directives; AlliedSignal, Inc. (Formerly Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines |
| engine | Honeywell International Inc. | LTP 101-600A | Airworthiness Directives; AlliedSignal, Inc. (Formerly Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines |
| engine | Honeywell International Inc. | LTP 101-600A-1A | Airworthiness Directives; AlliedSignal, Inc. (Formerly Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines |
| engine | Honeywell International Inc. | LTP 101-700A-1A | Airworthiness Directives; AlliedSignal, Inc. (Formerly Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines |
| engine | Honeywell International Inc. | LTS101-600A | Airworthiness Directives; AlliedSignal, Inc. (Formerly Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines |
| engine | Honeywell International Inc. | LTS101-600A-1 | Airworthiness Directives; AlliedSignal, Inc. (Formerly Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines |
| engine | Honeywell International Inc. | LTS101-600A-2 | Airworthiness Directives; AlliedSignal, Inc. (Formerly Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines |
| engine | Honeywell International Inc. | LTS101-600A-3 | Airworthiness Directives; AlliedSignal, Inc. (Formerly Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines |
| engine | Honeywell International Inc. | LTS101-600B | Airworthiness Directives; AlliedSignal, Inc. (Formerly Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines |
| engine | Honeywell International Inc. | LTS101-600B-3 | Airworthiness Directives; AlliedSignal, Inc. (Formerly Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines |
Unsafe Condition
Axial compressor blade failures on cast rotors can cause engine power loss and inflight engine shutdown.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace cast material axial compressor rotors with wrought material axial compressor rotors having improved fatigue characteristics and material properties, following Textron Lycoming Service Bulletin LT 101-72-30-0088, Revision 5. Remove affected rotors within specified time-in-service or days after AD effective date, whichever comes first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within specified time-in-service (TIS) or days after the effective date of this AD, whichever occurs first. Specific compliance times vary based on rotor serial number suffix and accumulated TIS since new.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
AlliedSignal, Inc. (formerly Textron Lycoming) LTS101 series turboshaft and LTP101 series turboprop engines installed on Aerospatiale AS 350 and SA366G, Bell 222, MBB BK117 helicopters; Piaggio P166-DL3 and Airtractor AT302 airplanes.
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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