What was found
PILOT REPORTED M/R VIBRATION. FOUND BEARING WORN IN MAIN ROTOR HEAD.
- Difficulty date
- December 3, 2010
- Submitted
- December 8, 2010
- Operation
- Air carrier
- Aircraft
- N7160V
- Make and model
- Bell 407
- Aircraft serial
- 53013
- Aircraft time
- 4,124 hours, 6,409 cycles
- Engine
- Allsn 250C47B
- Engine time
- 3,705 hours
- System (JASC)
- 6220 · Main Rotor Head
- Part
- Bearing
- Part number
- 407310102101
- Part serial
- 4EACH
- Condition
- Worn
- Location
- M/R Head
- Part time
- 744 hours
- Component
- Hub Assy
- Component part number
- 407010100103
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- E
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.