As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) TERMINAL BLOCK 2449-TB3 SHOWS SIGN OF OVERHEATING DUE TO CORROSION ON AFT SIDE OF REAR PRESSURE BULKHEAD. THE OVERHEATING OF THE TERMINAL BLOCK RESULTED IN IGNITION OF THE INSULATION ON THE TERMINAL LUG OF FEEDER CABLE 2449-37A0-1. THE OVERHEATING AND CORROSION WERE FOUND WHEN COMPLYNG WITH DASH 8 SERVICE BULLETIN 8-24-48.