Service difficulty report · Pump · Boeing 777222

Difficulty date
April 9, 2014
Submitted
April 10, 2014
Operation
Air carrier
Aircraft
N228UA
Make and model
Boeing 777222
Aircraft serial
30556
Aircraft time
52,223 hours, 6,284 cycles
Engine
Pwa PW40903
Part
Pump
Condition
Faulted
Location
Fuel System
Stage of operation
CL
How discovered
O
Nature of condition
J, B
Precautionary procedure
J, A

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

What was found

RIGHT BOOST PUMP FAULT AFTER TAKEOFF & SUBSEQUENT BLANKING OF FLIGHT DECK SCREENS. CREW DETECTED ELEC SMELL IN FLIGHT DECK MOMENTARILY & IN FWD CABIN ON DESCENT. FLIGHT RETURNED TO DXB. 160,000 LBS FUEL DUMPED. INSPECTIONS CARRIED OUT IAW AMM 05-51-50, NO OBVIOUS ODORS, FUMES ETC NOTED DURING APU BLEED OPERATION. ALL FAN & CABIN EQUIPMENT ITEMS OPERATE OK, NO FURTHER FUMES, OR ODORS NOTED.