Service difficulty report · Cooling Fan · Boeing 7373T0

Difficulty date
October 30, 2006
Submitted
January 26, 2007
Operation
Air carrier
Aircraft
N39343
Make and model
Boeing 7373T0
Aircraft serial
23581
Aircraft time
59,987 hours, 27,235 cycles
Part
Cooling Fan
Part number
65771
Part serial
2690
Condition
Failed
Location
E&E Bay
Part time
56,928 hours, 27,805 cycles
Stage of operation
AP
How discovered
O
Nature of condition
B
Precautionary procedure
O

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

What was found

A SMOKY ODOR WAS NOTICED IN THE COCKPIT AND CABIN AND THE EQ COOLING LIGHT ILLUMINATED WHILE ON FINAL APPROACH TO SFO. THE RECIRC FAN SWITCH WAS TURNED OFF AND THE ODOR WENT AWAY. THE AIRCRAFT LANDED WITHOUT FURTHER PROBLEM. MAINTENANCE FOUND THE BLOWER CIRCUIT BREAKER POPPED. THE MAIN EQUIPMENT COOLING FAN WAS REMOVED AND REPLACED AND OPERATIONAL CHECKS WERE GOOD.