What was found
AFTER BURNING CENTER TANK FUEL, NR 2 MAIN TANK INDICATED 400 LBS LOWER THAN NR 1. BAL FUEL-UPON COMPLETION OF BALANCING 8.0 PER SIDE, WE OBSERVED NR 2 GAGE CLIMB TO 8.7 RAPIDLY. BURN WAS EVEN AND FUEL TOTAL IND 500LBS HI (BASED ON BURN) REMAINDER OF FLT. UPON INITIAL EVALUATION NR 1 TANK ERROR CODE 28-41108 SHOWS ON FQUIS BITE CURRENT STATUS. FQIS BITE TEST FAILS GROUND TEST WITH TANK 1 ERROR CODE 28-41108. NR 2 TANK HAS ERROR CODE 28-41208 ON MULTIPLE FLIGHT LEGS. NR 1 TANK ALSO HAS ERROR CODE 28-41108 ON MULTIPLE FLIGHT LEGS. SUMPED BOTH TANKS. NO WATER FOUND. R & R NR 2 TANK COMP PROBE REF MM 28-41-21-000-801, OPS TEST GOOD IAW SAME. R & R NR 1 FQIS COMP PROBE COATED IN WATER IAW AMM 28-41-21-000-801. ACCOMPLISHED OPS CKS TO AMM 28-41-21-000-801. BITE TESTS SHOWS, NO FAULTS.