What was found
LARGE QUANTITY OF METAL ON LOWER TRANSMISSION CHIP DETECTOR. FOUND NO EVIDENCE OF MAKING METAL. PERFORMED A 4500 HR O/H. CHANGED OUT BEARING, DUE TO WORN ROLLERS.
- Difficulty date
- September 21, 2012
- Submitted
- September 21, 2012
- Operation
- Air carrier
- Aircraft
- N436AL
- Make and model
- Bell 407
- Aircraft serial
- 53069
- Aircraft time
- 17,627 hours
- Engine
- Allsn 250C47B
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Bearing
- Part number
- 407340031101
- Part serial
- ZV10086
- Condition
- Worn
- Location
- Transmission
- Component
- Transmission · Bell
- Component part number
- 407040006107FM1
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.