What was found
AT THE GATE IN OAK BOTH FUEL TANKS NR 1 & NR 2 READ 8.54 (FULL). DURING CLIMB NR 2 TANK INDICATED 8.18 (DROP OF APPROX 400 LBS) WHILE STILL BURNING FROM CENTER TANK. IMMEDIATELY UPON LEVEL OFF AT CRUISE ALT NR 2 TANK QTY STEADILY INCREASED TO 8.66. NR 1 FUEL TANK INDICATION WAS STEADY AT 8.54 UNTIL AFTER A SHORT TIME AT CRUISE THEN WENT FROM 8.54 TO 8.94 (400 LB INCREASE). FQIS BITE INDICATES ATA 28-41108 NR 1 TANK DEGRADED COMPENSATOR DATA BAD. ACCESSED TANK AND REMOVED ICE AND RESIDUAL WATER FROM NR 1 TANK. NR 1 FQIS OP CHECKED NORMAL REF AMM 28-41-00-730-801. ACCESSED TANK AND REMOVED ICE AND RESIDUAL WATER FROM NR 2 TANK. NR 2 FQIS OPS NORMAL REF AMM 28-41-00-730-801.