As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING OVERNIGHT MX AN ACRID ODOR WAS DETECTED IN THE NOSE EQUIPMENT BAY, THE SOURCE OF THE ODOR WAS TRACED TO BURNED LUGS AT TERMINAL 2431-T10 AT DC CONTACTOR BOX. FURTHER INSP OF THE DC CONTACTOR BOX TERMINALS FOUND 2431-T2 STARTING TO SHOW SIGNS OF OVERHEATING AND WAS FOUND TO HAVE S SECTION OF INSULATION MATERIAL LOCATED BETWEEN THE LUG AND THE BUSS BAR. A PRODUCTION QUALITY INVESTIGATION HAS BEEN RAISED BY MFG.