Service difficulty report · Relay · Boeing 777222

Difficulty date
July 22, 2013
Submitted
July 25, 2013
Operation
Air carrier
Aircraft
N793UA
Make and model
Boeing 777222
Aircraft serial
26946
Aircraft time
70,531 hours, 10,010 cycles
Engine
Pwa PW4090
Part
Relay
Condition
Faulty
Location
Fuel Control
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

STATUS MESSAGE "ENGINE FUEL VALVE RT" WITH MESSAGE 73-60212. CHECKED WIRING IAW WDM 76-21-71, PG 1 BETWEEN D71024P TO D71074J AND DM76001C, NO DAMAGE FOUND, VOLT APPROXIMATELY 26-28V AND CLEANED ALL CONNECTOR. PERFORMED VISUAL INSPECTION FOR MODULE ASSY W0625 AND ALL CORE WIRING HARNESS, AND REPLACED FUEL CONT RELAY K76207. THEN MESSAGE WENT AWAY.