As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 219, BOS-SAN. (ETOPS) FUEL SPILL FROM RIGHT WING TANK ( OVER FLOW ); REMOVED AND REPLACED RIGHT MAIN LEVEL SENSOR 17Q52 IAW JB A321 AMM 28-46-15. OPS CHK GOOD IAW BITE CHK OF FLSS SYS AMM TASK 28-46-00740-001-A. WORK BY TANK TIGERS W/O TTO4223. THIS CLEARS MDDR 634073."