Service difficulty report · Relay · Boeing 777222

Difficulty date
September 4, 2018
Submitted
September 4, 2018
Operation
Air carrier
Aircraft
N781UA
Make and model
Boeing 777222
Aircraft serial
26945
Aircraft time
88,800 hours, 15,144 cycles
Part
Relay
Part number
KLD4N
Condition
Unserviceable
Location
Fuel System
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

AFTER ENGINE SHUTDOWN, ENG FUEL VALVE RT STATUS MESSAGE. T/S CARRIED OUT AS PER FIM 73-22-00-810-802-N00 ENGINE FIREWALL DISCONNECT TO FMU CONNECTORS AND WIRING INSPECTED AND CONNECTORS CLEANED. ENGINE CORE HARNESS BETWEEN D71024P AT ENG DISCONNECT AND D71074J AT ENGINE CORE 3 O'CLOCK POSN. REPLACED DUE TO BEING IN POOR CONDITION. RELAYS K76202 AND K76207 REPLACED WITH REF TO 7730131 RAISED FOR EEC CONNECTOR REFIT. ENGINE SHUT DOWN NORMALLY WITH NO FUEL VALVE MESSAGE. ENGINE WET MOTOR AND GROUND IDLE ACCOMPLISHED.