Service difficulty report · Motor · Boeing 777222

Difficulty date
March 2, 2011
Submitted
March 4, 2011
Operation
Air carrier
Aircraft
N216UA
Make and model
Boeing 777222
Aircraft serial
30549
Aircraft time
43,753 hours, 5,574 cycles
Engine
Pwa PW40903
Part
Motor
Condition
Failed
Location
Boost Pump
Component
Pump
Component part number
568129117003
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
J, A

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

What was found

FUEL IMBALANCE EICAS, RTFL. REPLACED THE LT CENTER OVERRIDE FUEL PUMP AND LOW PRESSURE SWITCH. ACCOMPLISHED OPS AND LEAK CHECK. REPLACED (M28109) CENTER LEFT OVERRIDE ELECTRONIC CONTROL UNIT. REPLACED FOR PRECAUTIONARY PURPOSES. ACCOMPLISHED FUEL SCAVENGE SYSTEM FUNCTIONAL TEST TO CHECK INTEGRITY OF SYSTEM.