Airworthiness directives › 2011-23-13
AD 2011-23-13 Airworthiness Directives; Honeywell International Inc. Turboshaft Engines
Applicability*9
This AD applies to Honeywell International Inc. LTS101-600A-2, -3, -3A, and LTS101-700D-2 turboshaft engines with a power turbine governor (PTG) model AL-AB1, part number 4-301-289-03, 4-301-289-05, 4-301-289-09, 4-301-101-16, or 4-301-101-18, installed, that is marked with compliance symbol N or P, or with no compliance symbol, on the PTG identification plate.
Compliance
(g) For PTGs that are marked with compliance symbol N, or with no compliance symbol, on the PTG identification plate: (1) If the PTG has more than 150 operating hours time-since-new (TSN), time-since-overhaul (TSO), or time-since-replacement (TSR), on the effective date of this AD, replace it with a PTG that is eligible for installation, within the next 50 operating hours. (2) If the PTG has 150 or fewer operating hours TSN, TSO, or TSR, on the effective date of this AD, replace it with a PTG that is eligible for installation, before accumulating 200 total operating hours. (3) Thereafter, replace it with a PTG that is eligible for installation, within every 200 operating hours TSN, TSO, or TSR.
Unsafe condition
Comply with this AD within the compliance times specified, unless already done.
Affected ADs
None.
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