SDR UALA2011012600430

Service difficulty report · Relay · Boeing 767322

Difficulty date: January 25, 2011
Submitted: January 26, 2011
Operation: Air carrier
Aircraft: N658UA
Make and model: Boeing 767322
Aircraft serial: 27113
Aircraft time: 79,175 hours, 12,811 cycles
Engine: Pwa PW4060
System (JASC): 2820 · Aircraft Fuel Distribution System
Part: Relay
Condition: Faulty
Location: Left
Stage of operation: NR
How discovered: 9
Nature of condition: J
Precautionary procedure: O

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

What was found

1 SPAR VALVE LIGHT FAILED TO ILLUMINATE WITH FUEL CONTROL SWITCH SELECTED (CUTOFF, RICH, RUN). EICAS MESSAGE (LT, RT) SPAR VALVE DISPLAYED. POS(1=LT,2=RT). TESTED OK. DID NOT LIGHT WITH ENG START OR SHUTDOWN. VALVE OPS OK. INDICATOR INOPERATIVE. SLAVED NEW SPAR VALVE ACTUATOR, NO HELP. SUSPECT K1 RELAY. REPLACED K1 RELAY IAW WDM, OPS CHECKED GOOD.