Service difficulty report · Fan · Agusta AW139

Difficulty date
November 21, 2016
Submitted
November 29, 2016
Operation
Air carrier
Aircraft
N639WW
Make and model
Agusta AW139
Aircraft serial
41229
Aircraft time
5,949 hours
Part
Fan
Part number
3G6320V03853
Part serial
00604
Condition
Failed
Location
Oil Cooler
Part time
3,789 hours
Stage of operation
CR
How discovered
V
Nature of condition
J
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

MGB OIL TEMP WARNING CAS MESSAGE CAME ON IN FLIGHT APPROX. 10 MINUTES AFTER TAKE OFF FROM OFFSHORE LOCATION. FOUND MGB OIL COOLER NOT ENGAGED TO MGB. FOUND MGB OIL COOLER FAN SHAFT BEARING FAILED. REPLACED OIL COOLER FAN AND OIL COOLER.

More about the Agusta AW139