AD 2011-08-06
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Honeywell | International Inc | Airworthiness Directives; Honeywell International Inc. LTS101 Series Turboshaft Engines and LTP101 Series Turboprop Engines |
Unsafe Condition
reports of fatigue cracks in the airfoil of the power turbine blade
Required Actions
remove power turbine rotors from service using a specific drawdown schedule
Compliance Time
Within 50 CIS after the effective date of this AD
Affected Aircraft
Honeywell International LTS101-600A-2, -3, -3A, LTS101-700D-2, LTS101-650B-1, LTS101-650C-3, LTS101-650C-3A, LTS101-750B-1, LTS101-750B-2, LTS101-750C-1, and LTS101-850B-2 turboshaft engines; and LTP101-600A-1A and LTP101-700A-1A turboprop engines with power turbine rotor, part number (P/N) 4-141-290-01, -02, -03, -05, -06, -11, -12, -13, -14, or -16, installed
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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