What was found
ENGINE REMOVED DUE TO CRACKED COMPRESSOR SCROLL AND VIBRATION. UPON INSPECTION OF COMPRESSOR PARTS NOTED: WORN BEYOND SERVICEABLE LIMITS ON SPLINE ADAPTER RETAINING RING GROOVE. INSTALLED A NEW SPLINE ADAPTER.
- Difficulty date
- December 18, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N4573B
- Make and model
- Bolkms BO105S
- Aircraft serial
- S673
- Engine
- Allsn 250C20B
- System (JASC)
- 7230 · Turbine Engine Compressor Section
- Part
- Spline Adapter
- Part number
- 23039791
- Condition
- Worn
- Location
- Compressor
- Part time
- 375 hours
- Component
- 6890550
- 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.