What was found
NR 2 MAIN TANK SHUT OFF AT 8400 LBS, THEN JUMPED TO 8900 LBS. ACFT GROUNDED. COMPLIED WITH FQIS BITE TEST, IAW FIM 28-41 TASK 801. FOUND FAULTS TANK 1, 28-41108 COMPENSATOR DATA BAD AND TANK 2, 28-41208 COMPENSATOR DATA BAD. COMPLIED WITH FIM 28-41 TASK 807. SUMPED BOTH TANKS. COMPLIED WITH GROUND TEST, FAULT CLEARED FOR NR 2 TANK. FAULT STILL SHOWS ON NR 1 TANK. COMPARED FUEL STICK FOR NR 2 TANK WITH QTY INDICATOR, IAW AMM 28-41-00-720-801. NR 2 INDICATOR READS 8460 AT FLIGHT DECK. READING AT NR 8 STICK OF 6" PITCH 1 ROLL 9, 8788 WITHIN LIMITS, IAW AMM 28-41-00-720-801. REMOVED AND REPLACED THE NR 1 FUEL TANK F15, F1, F2, AND F3, IAW AMM 28-41-21. SYSTEM TEST PASSED WITHIN LIMITS NO FAULTS, IAW AMM 28-41-00. COMPARISON CHECK WITHIN LIMITS, IAW AMM 28-41-00-720-801.