What was found
ENGINE REMOVED DUE TO CYCLED 1ST AND 2ND STAGE WHEELS. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: FWD AND AFT SPLINE STEP WEAR BEYOND LIMITS ON N1 COUPLING. INSTALLED NEW COUPLING.
- Difficulty date
- April 4, 1995
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N3122H
- Make and model
- Skrsky S76A
- Aircraft serial
- 760233
- Engine
- Allsn 250C30S
- System (JASC)
- 7250 · Turbine Section
- Part
- N1 Coupling
- Part number
- 23032345
- Condition
- Stepwear
- Location
- Turbine
- Part time
- 678 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.