Service difficulty report · O-Ring · Boeing 757222

Difficulty date
June 30, 2011
Submitted
August 2, 2011
Operation
Air carrier
Aircraft
N578UA
Make and model
Boeing 757222
Aircraft serial
26694
Aircraft time
61,350 hours, 21,574 cycles
Engine
Pwa PW2037
Engine time
61,196 hours, 21,607 cycles
Part
O-Ring
Condition
Leaking
Location
Fuel Pump
Stage of operation
CR
How discovered
O
Nature of condition
K
Precautionary procedure
E, A

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

What was found

FUEL & OIL LOSS, FLIGHT DIVERTED. ON RIGHT SIDE AS TOTALIZED AND CALCULATED FUEL WAS OFF BY APPROX 5000LBS. REPLACED O-RINGS AT FUEL PUMP TO FUEL CONTROL AND REPLACED CARBON SEAL AT FUEL PUMP.