AD 96-06-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Honeywell International Inc. | LTS101-600A-2 | Airworthiness Directives; AlliedSignal, Inc. LTS101 Series Engines |
| engine | Honeywell International Inc. | LTS101-600A-3 | Airworthiness Directives; AlliedSignal, Inc. LTS101 Series Engines |
| engine | Honeywell International Inc. | LTS101-750B-2 | Airworthiness Directives; AlliedSignal, Inc. LTS101 Series Engines |
Unsafe Condition
Power turbine (PT) disk failures after No. 3 bearing failures could cause an uncontained engine failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Incorporate improved PT rotor retention system modifications per specified service bulletins and replace elbow fitting with tee-fitting assembly as outlined in the referenced documents.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
At the next shop visit after the effective date of this airworthiness directive (AD) when the PT rotor is removed, but not later than July 1, 1996
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
AlliedSignal, Inc. (formerly Textron Lycoming) Models LTS101-600A-2, LTS101-600A-3, and LTS101-750B-2 turboshaft engines installed on Eurocopter France Model AS-350D and SA-366G1 helicopters.
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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