- Difficulty date
- February 14, 2003
- Submitted
- February 21, 2003
- Operation
- Air carrier
- Aircraft
- N6559Z
- Make and model
- Bell 412
- Aircraft serial
- 36019
- Aircraft time
- 10,553 hours
- Part
- Bearing
- Part number
- 412010182101
- Part serial
- NH10134
- Condition
- Worn
- Location
- M/R Gearbox
- Part time
- 2,127 hours
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN ROTOR GEARBOX HAS A WORN BEARING. IN SHOP FOR REPAIR.
More about the Bell 412