As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER REFUELING MESSAGE "AUX LWR L PUMP OFF" APPEARED. DEFERRED AUX LWR L PUMP IAW MEL 28-22-6-1-1 M367263. DMP 28-22-6-1 ACCOMPLISHED. REMOVED AUX LWR L PUMP. FOUND BURNT CONNECTOR IN HOUSING AND ON PUMP. REMOVED OLD HARNESS AND INSTALLED NEW HARNESS THRU CONDUIT REF MM 20-22-10-8. COMPLETED HARNESS INSTALLATION IAW MM 28-22-10 AND INSTALLED NEW PUMP IAW 28-22-01.