As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNIT WAS INSTALLED AFTER REPAIR BY MFG. UPON APPLYING POWER TO THE FUEL CONTROL AIRCRAFT HAD THE LEFT MONOPOLE FAIL LIGHT ILLUMINATED. FOUND THE WIRING AT THE FUEL CONTROL ELECTRICAL CONNECTOR MISSOLDERED, RESOLDERED WIRING AT THE CONNECTOR UNIT OPERATIONALLY CHECKED GOOD.