What was found
ENGINE REMOVED DUE TO TURBINE OVERHAUL. INSPECTION OF TURBINE PARTS REVEALED: STEP WEAR BEYOND SERVICEABLE LIMITS ON N2 COUPLING SPLINES. INSTALLED A NEW N2 COUPLING.
- Difficulty date
- July 30, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N4253S
- Make and model
- Skrsky S76A
- Aircraft serial
- 760035
- Engine
- Allsn 250C30S
- System (JASC)
- 7250 · Turbine Section
- Part
- Coupling
- Part number
- 6889069
- Condition
- Step Wear
- Location
- Turb N2
- Part time
- 815 hours
- Component
- 23035128
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.