What was found
PDIS 743 28-40 4804 21JUN22 OMA R OUTER FUEL TANK BURNING FUEL OUT OF SEQUENCE. WITH ALL PUMPS ON FUEL CONTINUED TO BURN FROM OUTER TANK. RAN FUEL IMBALANCE CHECKLIST AS WELL AS FUEL FEED MANUAL CONTROL CHECKLIST. NO FAULTS ON ANY FUEL PUMPS. PULLED/RESET AND FINALLY PULLED CB M-55 OPEN (AND LEFT OPEN) IN CONJUCTION WITH MOCC. BURN RATE CALCULATED AR 900 LB/HR FROM R OUTER. REMOVED AND REPLACED REFUEL/DEFUEL VALVE CANISTER FOR RH INNER AND RH OUTER TANK IAW AMM 28-25-13-04. REMOVED AND REPLACED REFUEL/DEFUEL VALVE ELEMENT FOR RH INNER AND REMOVED AND REINSTALLED RH OUTER TANK ELEMENT IAW AMM 28-25-12-04. REMOVED AND REPLACED RH INNER TANK ISOLATION VALVE IAW AMM 28-22-51-04. REMOVED AND REPLACED RH INNER TANK CHECK VALVE IAW AMM 28-21-15-04. REMOVED AND REPLACED RH INNER TANK ISOLATION VALVE ACUATOR IAW AMM 28-22-52-04. OPERATIONAL CHECKS AND LEAK CHECKS ARE GOOD. REMOVED AND REINSTALLED RH INNER FUEL TANK ACCESS PANELS 642DB, 643CB AND 643DB IAW AMM 28-11-23-04, LEAK CHECKS GOOD. ALL WORK ACCOMPLISHED BY TANK TIGERS