What was found
PDIS 688 00-00 3337 09APR21 MEM OPEN U CLIMBING THROUGH APPROXIMATELY FL280, 12 MINUTES INTO FLIGHT, BOTH CENTER TANK FUEL BOOST PUMPS FAULTED SIMULTANEOUSLY. FOLLOWED ECAM / QRH, PULLED AND RESET CB M55 ON 132 VU. PUMPS WERE INITIALLY RECOVERED, THEN FAILED SIMULTANEOUSLY AGAIN APPROXIMATELY 2 MINUTES LATER. AIR TURN BACK TO KMEM. NO EMERGENCY DECLARED. REPLACED THE FUEL LEVEL SENSOR 697QJ REF AMM 28-46-21-04 AND TESTED NORMAL