What was found
OIL COOLER HAD EXCESSIVE VIBRATION. BEARING ROUGH.
- Difficulty date
- February 20, 2017
- Submitted
- April 19, 2018
- Operation
- General aviation
- Aircraft
- N139CW
- Make and model
- Agusta AB139
- Aircraft serial
- 31020
- Aircraft time
- 7,997 hours
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Bearing
- Condition
- Rough
- Location
- Oil Cooler
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- E
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.