Service difficulty report · Control Unit · Boeing 777222

Difficulty date
July 19, 2011
Submitted
August 3, 2011
Operation
Air carrier
Aircraft
N209UA
Make and model
Boeing 777222
Aircraft serial
30215
Aircraft time
49,030 hours, 6,259 cycles
Engine
Pwa PW40903
Part
Control Unit
Part number
BPE3533514
Part serial
CM53823
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 QTY AND IMBALANCE GRIPE. ACPD DISCHARGE CHECK VLV. ND TO CONT TO ACP LOW LEVEL SCAVENGE SYSTEM, R&E'S ASSISTING. FUELED AC FOR HIGH LEVEL SCAVENGE CHECKS. CONT T-S. *DOR*. ACFT DROPPED OFF AT GATE WITH MSG FUEL PUMP CENTER RIGHT MSG, NO TIME SFO. REPLACED CENTER RIGHT OVERRIDE FUEL PUMP ECLU M28213 & CENTER RIGHT OVERRIDE FUEL PUMP PRESSURE SWITCH S28210. CHECKS GOOD. REPLACED FUEL QUANTITY PROCESSER UNIT (FQPU). ALL PART NUMBERS & FUEL QUANTITY INDICATIONS CHECK GOOD. NO FURTHER ACTION REQUIRED.