What was found
UPON FINDING METAL IN OIL SCREEN, TRANSMISSION WAS REMOVED AND DISASSEMBLED. LOWER SUN GEAR BEARING WAS FOUND TO BE MAKING METAL. SUBMITTER STATES THIS HAS BEEN THE SIXTH FAILURE IN TRANSMISSION.
- Difficulty date
- March 28, 1996
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N615BH
- Make and model
- Bell 47G5A
- Aircraft serial
- 25126
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Bearing
- Part number
- 476206283
- Condition
- Making Metal
- Location
- Transmission
- Part time
- 303 hours
- Component
- 4762060029
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.