As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ALL 4 FUEL BOOST PUMP CIRCUIT BREAKERS POPPED IN FUEL TANK NR 2. RECTIFICATION: 1 RELAY 109 ESS NR 2 BUS REPLACED. MAINTENANCE DETERMINED L1 AND L2 TERMINALS SHORTED TOGETHER CAUSING INTERNAL DAMAGE. LEFT AFT BOOST PUMP RELAY REPLACED.