As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ON THE GROUND IN PHL, THE NR 2 AUX FUEL PUMP INOP LIGHT WOULD NOT TEST. TROUBLESHOT SYSTEM, FOUND CANNON PLUG 2421-J22 AND 2421-P22 INTERNALLY BURNT. REMOVED AND REPLACED ELECTRICAL CONNECTOR. SYSTEM OPERATIONALLY CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE. (M)