As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) CREW REPORTED THAT INBOARD FUEL BOOST PUMP CIRCUIT BREAKER POPPED. INSPECTION OF THE PUMP REVEALED ARCING THROUGH CASING BUT NO SIGN OF BURN ON HOUSING. BOOST PUMP REPLACED. THIS WAS A 4 YEARS OLD PUMP. AWAITING FOR SHOP REPORT ABOUT REASON OF ARCING.