What was found
MAIN GEARBOX OIL COOLING FAN HAD A CORRODED BEARING ASSY.
- Difficulty date
- March 29, 2014
- Submitted
- April 20, 2018
- Operation
- General aviation
- Aircraft
- N639GG
- Make and model
- Agusta AW139
- Aircraft serial
- 41308
- Aircraft time
- 1,162 hours
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Bearing
- Condition
- Corroded
- Location
- Cooling Fan
- 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.