What was found
(CAN) WHILE INVESTIGATION MAST BEARING PLAY, UNABLE TO REMOVE NUT (BEARING TORQUE). MAST ASSEMBLY SENT TO MFG FOR INVESTIGATION. NEW MAST ASSEMBLY PROVIDED BY MFG. (TC NR 20071023004)
- Difficulty date
- October 22, 2007
- Submitted
- January 21, 2008
- Operation
- General aviation
- Make and model
- Bell 206L4
- Engine
- Allsn 250C30P
- System (JASC)
- 6230 · Main Rotor Mast/Swashplate
- Part
- Nut
- Part number
- 206040078103
- Condition
- Failed
- Location
- Mast Bearing
- Part time
- 620 hours
- Component
- Mast Assembly · Bell
- Component part number
- 206040014107
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.