What was found
TRANSMISSION DISASSEMBLED FOR METAL, FOUND DUPLEX BEARING BREAKING DOWN. REMOVED AND REPLACED DUPLEX BEARING P/N 205-040-245-001.
- Difficulty date
- March 9, 2005
- Submitted
- May 23, 2005
- Operation
- Air carrier
- Aircraft
- N5NBCZ
- Make and model
- Bell 412
- Aircraft serial
- 33179
- Aircraft time
- 5,571 hours
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Drive Gear
- Part number
- 205040245001
- Part serial
- 38443
- Condition
- Failed
- Location
- Transmission
- Component
- Transmission
- Component part number
- 412040002113
- 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.