What was found
IMPELLER NR 1 BEARING STUB SHAFT HAS EXCESSIVE WEAR FROM MATING RING.
- Difficulty date
- March 2, 2012
- Submitted
- March 6, 2012
- Operation
- Air carrier
- Aircraft
- N410AL
- Make and model
- Bell 407
- Aircraft serial
- 53482
- Aircraft time
- 1,919 hours
- Engine
- Allsn 250C47B
- System (JASC)
- 7230 · Turbine Engine Compressor Section
- Part
- Bearing
- Condition
- Worn
- Location
- Impeller
- Part time
- 1,919 hours
- Component
- Impeller · Allsn
- Component part number
- 23065591
- 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.