What was found
ENGINE REMOVED DUE TO TURBINE 1750 HOUR INSPECTION. UPON INSPECTION OF TURBINE PARTS NOTED: CATASTROPHIC SULFIDATION ON ALL NR1 WHEEL BLADES. SCRAPPED NR1 WHEEL AND REPLACED WITH SERVICEABLE PART.
- Difficulty date
- April 20, 1998
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N8199J
- Make and model
- Bolkms BO105S
- Aircraft serial
- S826
- Engine
- Allsn 250C20B
- System (JASC)
- 7250 · Turbine Section
- Part
- Turbine Wheel
- Part number
- 6886407
- Condition
- Defective
- Location
- 1st Stage
- Part time
- 1,738 hours
- Component
- 23038241
- 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.