As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND GALLEY 4B BREAKER POPPED IN COCKPIT PRIOR TO ENG RUNS. RESET BREAKER AND IT WAS POPPED AGAIN AFTER RUNS COMPLETED. REPLACED CB C743 AND RELAY K10136. NO HELP. CB POPPING AFTER 10 SECONDS. SUSPECT M227 AFT GALLEY ELCU. REPLACED LT AFT GALLEY PWR ELEC PWR CONTROL RELAY, OPS CHECKS OK.