What was found
ENGINE REMOVED DUE TO NR 1 WHEEL DAMAGED. UPON INSPECTION OF TURBINE PARTS NOTED SULFIDATION ON NR 1 WHEEL LEADING EDGE BLADES. SCRAPPED PART.
- Difficulty date
- June 3, 2002
- Submitted
- July 8, 2002
- Operation
- Air carrier
- Aircraft
- N740PH
- Make and model
- Bell 407
- Aircraft serial
- 53435
- Aircraft time
- 729 hours
- Engine
- Allsn 250C47B
- Engine time
- 729 hours
- System (JASC)
- 7250 · Turbine Section
- Part
- Turbine Wheel
- Part number
- 23053299
- Part serial
- X146616
- Condition
- Damaged
- Location
- Engine
- Part time
- 729 hours, 1,227 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.