What was found
BEARING/SHAFT FAILED.
- Difficulty date
- November 21, 2016
- Submitted
- April 20, 2018
- Operation
- General aviation
- Aircraft
- N639WW
- Make and model
- Agusta AW139
- Aircraft serial
- 41229
- Aircraft time
- 5,949 hours
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Shaft
- Condition
- Failed
- Location
- Xmsn Oil Cooler
- 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.