What was found
REMOVED OIL COOLER FAN FOR OVERHAUL. ROTATED FAN BY HAND. FOUND BEARING TO BE ROUGH.
- Difficulty date
- December 5, 2016
- Submitted
- December 5, 2016
- Operation
- Air carrier
- Aircraft
- N639GG
- Make and model
- Agusta AW139
- Aircraft serial
- 41308
- Aircraft time
- 3,562 hours
- System (JASC)
- 6322 · Rotorcraft Cooling Fan System
- Part
- Bearing
- Condition
- Rough
- Location
- Oil Cooling Fan
- Part time
- 4,712 hours
- 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.