Service difficulty report · Cooling Fan · Boeing 777223

Difficulty date
May 3, 2011
Submitted
May 6, 2011
Operation
Air carrier
Aircraft
N774AN
Make and model
Boeing 777223
Aircraft serial
29581
Aircraft time
50,000 hours, 6,402 cycles
Part
Cooling Fan
Part number
4100941D
Condition
Overheated
Location
E&E Bay
Stage of operation
CR
How discovered
O
Nature of condition
B, J
Precautionary procedure
H

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

What was found

PVG - CREW REPORTED ELECTRICAL BURNING SMELL IN FLIGHT DECK WITH STATUS MESSAGE EQ COOLING FAN R. CREW SELECTED EQUIPMENT COOLING FROM AUTO TO OVERRIDE AND SMELL CLEARED. FLIGHT LANDED PVG WITHOUT INCIDENT. MAINTENANCE DEFERRED RT EQUIPMENT COOLING SUPPLY FAN UNDER THE REQUIREMENTS OF MEL 21-8, AUTH 5-71DC-C. REPLACED RIGHT FAN AT ORD ON 05/05/2011. SYSTEM GROUND CHECK NORMAL OPERATION.