Service difficulty report · Fan · Boeing 777223

Difficulty date
May 25, 2017
Submitted
May 31, 2017
Operation
Air carrier
Aircraft
N773AN
Make and model
Boeing 777223
Aircraft serial
29583
Aircraft time
74,441 hours, 9,268 cycles
Part
Fan
Part number
4100945A
Part serial
0772
Condition
Failed
Location
Recirculation
Part time
37,813 hours, 4,381 cycles
Stage of operation
CR
How discovered
O
Nature of condition
B
Precautionary procedure
E

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

What was found

ELECTRICAL ODOR NOTED APPROXIMATELY 4 HOURS AFTER DEPARTURE. ALL SWITCHES ON THE IN-FLIGHT ENTERTAINMENT PANEL SELECTED OFF AND THE ODOR DISSIPATED. FOUND UPPER FORWARD RECIRCIRCULATION FAN FAILED. REMOVED AND REPLACED FAN IAW AMM 21-25-01. OPERATIONAL CHECK GOOD.