What was found
ENGINE REMOVED DUE TO HIGH OIL CONSUMPTION. UPON INSPECTION OF TURBINE PARTS DUE TO LOW POWER ON TEST CELL NOTED THE FOLLOWING: ONSET OF SULPHIDATION ON 20 EACH 1ST STAGE WHEEL BLADES AND CRACKED IN RIM AREA. SCRAPPED 1ST STAGE WHEEL.
- Difficulty date
- July 16, 1996
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N6040U
- Make and model
- Aerosp AS355F2
- Aircraft serial
- 5474
- Engine
- Allsn 250C20F
- System (JASC)
- 7250 · Turbine Section
- Part
- Wheel
- Part number
- 6886407
- Condition
- Cracked
- Location
- 1st Stage
- Part time
- 914 hours
- Component
- 6898735
- 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.