What was found
DUPLEX BEARING FOUND TO BE HEAVILY SPALLED. 17/125 BALLS DAMAGED (APPROX 14 PERCENT) ONE INNER RACE DAMAGED 4 PLACES; OUTER RACE DAMAGED 2 PLACES.
- Difficulty date
- October 20, 2009
- Submitted
- November 20, 2009
- Operation
- General aviation
- Aircraft
- N577UH
- Make and model
- Bell 430
- Aircraft serial
- 49119
- System (JASC)
- 6230 · Main Rotor Mast/Swashplate
- Part
- Duplex Bearing
- Part number
- 430310461101
- Part serial
- ZV10134
- Condition
- Spalled
- Location
- Swashplate
- Part time
- 3,109 hours
- Component
- Swashplate · Bell
- Component part number
- 430010400105
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.