AD 2001-17-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Lycoming Inc | Airworthiness Directives; Honeywell International Inc. (formerly AlliedSignal Inc. and Textron Lycoming Inc.) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines |
| engine | Lycoming | Inc | Airworthiness Directives; Honeywell International Inc. (formerly AlliedSignal Inc. and Textron Lycoming Inc.) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines |
| engine | Honeywell | International Inc | Airworthiness Directives; Honeywell International Inc. (formerly AlliedSignal Inc. and Textron Lycoming Inc.) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines |
Unsafe Condition
Worn splines in fuel pumps which could cause engine fuel pump failure, resulting in total engine power loss and possible loss of the aircraft.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove from service and return to CECO for inspection of engine fuel pumps based on time-in-service (TIS) intervals as specified in the AD. Initial inspections are required within specific TIS windows after the effective date, and subsequent inspections must not exceed 600 hours TIS since the last inspection.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within specified time-in-service (TIS) intervals 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. LTS101-600A-2, -600A-3, and -600A-3A series turboshaft and LTP101-600A-1A, -700A-1A series turboprop engines incorporating Chandler Evans Company (CECO) engine fuel pumps, part numbers 4-301-128-01 through -11, installed on single-engine aircraft such as Eurocopter AS350D helicopters and Airtractor AT302, Pacific Aero 08-600, and Page Thrush series 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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