AD 96-17-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Honeywell International Inc. | T5313B | Airworthiness Directives; AlliedSignal Inc. Model T5313B Turboshaft Engines |
Unsafe Condition
Failure of a second stage power turbine disk, uncontained engine failure, and damage to aircraft due to suspect disks manufactured outside an FAA-approved quality system.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove from service suspect second stage power turbine disks with specified serial numbers and replace with serviceable parts. Alternative methods of compliance may be approved by the Manager, Engine Certification Office.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
AlliedSignal Inc. (formerly Textron Lycoming) Model T5313B turboshaft engines incorporating suspect second stage power turbine disks, P/N 1-140-272-04, with serial numbers SC05903/32891-451, SC09442/32891-476, SC09685/32891-623, SC09723/32891-654, SC09743/32891-437, SC09759/32891-634, SC09755/32891-637, SC09779/32891-682, SC09908/32891-657, SC10100/32891-649, SC10267/32891-573, SC10269/32891-471.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.