What was found
MAIN ROTOR CHIP LIGHT CAME ON, TRANSMISSION REMOVED AND SENT FOR REPAIR, MAST BEARING FOUND UNSERVICEABLE AND REPLACED.
- Difficulty date
- May 22, 2010
- Submitted
- January 4, 2011
- Operation
- General aviation
- Make and model
- Bell 407
- Aircraft time
- 2,505 hours
- Engine
- Allsn 250C47B
- System (JASC)
- 6230 · Main Rotor Mast/Swashplate
- Part
- Bearing
- Part number
- 406040036107
- Condition
- Failed
- Location
- Mast
- Component
- Transmission · Bell
- Component part number
- 407040006
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.