Service difficulty report · Motor · Boeing 777222

Difficulty date
September 1, 2010
Submitted
September 28, 2010
Operation
Air carrier
Aircraft
N216UA
Make and model
Boeing 777222
Aircraft serial
30549
Aircraft time
41,461 hours, 5,293 cycles
Engine
Pwa PW4090
Part
Motor
Part number
568129115004
Part serial
156
Condition
Faulty
Location
Boost Pump
Stage of operation
NR
How discovered
9
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 PUMP R FWD RT FWD FUEL PUMP OUTPUT PRESSURE IS LOW. FOUND HEAT DAMAGE BETWEEN THE BOOST PUMP ELEC CONNECTOR PLUG AND FUEL BOOST PUMP. REPLACED BOOST PUMP CONNECTOR DM28201 WITH 280W0002-1 FOLLOWED MM AND MT28-UA10. DEACTIVATED THE PUMP IAW MEL. REPLACED RT FWD FUEL BOOST PUMP. OPS TEST OK. ALSO NO FOUND EXTERNAL FUEL LEAK. CONDITION OK.