As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) NR 1 AFT BOOST PUMP WAS REPORTED AS INOPERABLE. ON INSPECTION OF THE CANISTER TYPE PUMP, THE TERMINAL BLOCK ON THE PUMP WAS FOUND SEVERELY BURNT AND MELTED AT THE PLUS TERMINAL. ABOUT ONE-HALF INCH OF THE A/C POWER WIRE INSULATION HAD ALSO BURNT OFF. TB WAS REPLACED, DRAW TO THE PUMP CHECKED, AND AIRCRAFT RETURNED TO SERVICE.