As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON SHUTDOWN WITH EMERGENCY LIGHT SWITCH OFF EMERGENCY LIGHTS CAME ON, FLICKERED AND WENT OFF. FOUND WIRE NR 20113A22 ON RELAY K20 RECEPTICAL POS B1 TO HAVE BAD SOLDER JOINT IN DC CONTACTOR BOX. RESOLDER WIRE. SYSTEM OPERATIONAL CHECKED NORMAL. AIRCRAFT RETURNED TO SERVICE. (M)