As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN TROUBLESHOOTING A SUBMERGED FUEL BOOST PUMP CIRCUIT BREAKER POPPING, MAINTENANCE TECHNICIANS DISCOVERED THE FUEL BOOST PUMP ELECTRICAL HARNESS HAD CHAFFED THROUGH THE BUNDLE INSULATION AND WAS ARCING ON ALUMINUM FUEL LINE P/N 6526355-37 INSIDE THE WET WING. THE POTENTIAL FOR FUEL VAPOR IGNITION AND AN EXPLOSION.