As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL SYNOPTIC PROBLEM. THIS IS NOT A SYNOPTIC PROBLEM. THIS IS A CNTR LT OVERRIDE PUMP PROBLEM. SWAPPING ELMS CARD SOFTWARE. NOW INSTALLED. PUMP STILL RUNS WITH SWITCH OFF. FOUND SHORTED WIRE FROM SW (101TL2834-3) ELCU THAT COMMANDS PUMP. IDENTIFYING WIRE FOR RPR. WIRE IDENTIFIED. INSTALLED CONNECTOR. INSTALLED ELCU (CTR L OVRD FUEL PUMP), PUMP OPS CHECK OKAY.