What was found
TRANSMISSION DISASSEMBLED FOR METAL CONTAMINATION, FOUND BEARING BREAKING DOWN. REMOVED AND REPLACED BEARING.
- Difficulty date
- May 3, 2004
- Submitted
- May 4, 2004
- Operation
- Air carrier
- Aircraft
- N557AL
- Make and model
- Bell 407
- Aircraft serial
- 53243
- Aircraft time
- 4,025 hours
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Bearing
- Part number
- 407340032101
- Condition
- Spalled
- Location
- Transmission
- Component
- Transmission
- Component part number
- 407040006107
- 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.