Service difficulty report · Pump · Boeing 777222

Difficulty date
March 27, 2011
Submitted
April 27, 2011
Operation
Air carrier
Aircraft
N788UA
Make and model
Boeing 777222
Aircraft serial
26942
Aircraft time
61,091 hours, 8,834 cycles
Engine
Pwa PW40903
Part
Pump
Condition
Faulty
Location
Fuel System
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

FUEL BURNED OUT OF LEFT TANK W CTR PUMPS ON. 3800 LB IMBAL DEVELOPED. SAMC TEXT: FUEL BURN OUT OF LT MAIN TANK W CTR PUMPS ON. 3800 IMBAL. CREW BALANCED IT THEN RESTORED TO NORMAL OPS. FUEL KEPT PUMPING FROM LT TANK W CTR PUMPS ON UNTIL LT MAIN PUMPS SELECTED 2 OFF. REPLACED LT CTR OVERRIDE JET FUEL PUMP. TEST FLT FOR FUEL TXFR-FROM 40.1 CTR FUEL TO EMPTY CHECKS GOOD.