What was found
GEAR HAS HEAVY SPALLING. REMOVED AND REPLACED W/SERVICEABLE PART.
- Difficulty date
- April 15, 2004
- Submitted
- April 19, 2004
- Operation
- Air carrier
- Aircraft
- N537AL
- Make and model
- Bell 407
- Aircraft serial
- 53230
- Aircraft time
- 3,510 hours
- Engine
- Allsn 250C47B
- Engine time
- 3,141 hours
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Gear
- Part number
- 23071895
- Part serial
- NN503386
- Condition
- Spalled
- Location
- M/R Gearbox
- Part time
- 586 hours
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.