Service difficulty report · Pump · Boeing 777222

Difficulty date
April 10, 2011
Submitted
May 5, 2011
Operation
Air carrier
Aircraft
N777UA
Make and model
Boeing 777222
Aircraft serial
26916
Aircraft time
64,694 hours, 11,889 cycles
Engine
Pwa PW4077
Part
Pump
Part number
568129117003
Part serial
46
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 JETT PUMP R RIGHT JETTISON PUMP COMMANDED ON AND LOW PRESSURE. STATUS MSG01- LATCHED CLIMB MODE DEPENDENT; R JETTISON PUMP PRESSURE SWITCH SIGNAL IS LOW WITH R FUEL JET PUMP ON. DB- ELMS P210 ELECTRONICS UNIT MSG02- LATCHED CLIMB MODE DEPENDENT; R JETTISON PUMP PRESSURE SWITCH SIGNAL IS LOW WITH R FUEL JET PUMP ON. MSG03- NOT ACTIVE TAKEOFF ROLL MODE DEPENDENT; ELCU (R JETT PUMP ELCU) IN P200 IS NOT IN COMMANDED POSITION. DB- ELMS P210 ELECTRONICS UNIT MSG04- NOT ACTIVE TAKEOFF ROLL MODE DEPENDENT; ELCU (R JETT PUMP ELCU) IN P200 IS NOT IN COMMANDED POSITION. MSG-2812005 LATCHD CL MODE MSG-2812005 LATCHD CL MODE MSG-2812010 INACTV TO MODE MSG-2812010 INACTV TO MODE. MESSAGE LATCHED-CB K14 ON P210 COLLARED. FUELER UNABLE TO COMPLETE FUELING OF RT TANK PRIOR TO DEPARTURE. FUELER PLACED REMAINING UPLIFT IN CENTRE. ATTEMPTED FUEL TRANSFER TO BALANCE, UNABLE TO ACCOMPLISH. RESET REFUEL PANEL. ADDED ADDITIONAL FUEL TO BALANCE FUEL UPLIFT. FUEL TRANSFER AND ALL FUELING VALVES OPERATE NORMALLY.