Service difficulty report · Relay · Boeing 777222

Difficulty date
January 30, 2011
Submitted
January 31, 2011
Operation
Air carrier
Aircraft
N791UA
Make and model
Boeing 777222
Aircraft serial
26933
Aircraft time
59,015 hours, 8,648 cycles
Engine
Pwa PW4090
Part
Relay
Part number
8112507
Part serial
42
Condition
Faulty
Location
Engine Fuel
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

ENG FUEL VALVE LT EICAS MESSAGE AND NO LT ENG START. B4 CB IS POPPED. LEFT ENG RELAY UNIT (ERU) IAW MM. RAN ENGINE IAW JRH, ALL PARAMETERS NORMAL. NO FAULTS NOTED & TESTS PASSED.