What was found
FUEL QTY INDICATION PROBLEMS FOR NR 2 RT TANK. ACFT GROUNDED. R & R NR 2 TANK COMPENSATOR PROBE AND TANK UNITS F8R, F7R, F6R, AND F1R REF AMM 28-41-21. REPLACED NR 2 TANK UNITS F5R, F4R,F3R, F2R IAW AMM 28-41-21/401. REPLACED NR 2 TANK UNITS F12R, F11R, F10R AND F9R IAW AMM 28-41-21. ACCOMPLISHED SYSTEM TEST IAW AMM 28-41-00. TANK NR 2 VAUES WITHIN LIMITS. ACCOMPLISHED NR 2 TANK COMPARISON CHECK IAW AMM 28-41-00. STICK MEASUREMENTS WITHIN 75 LB OF INDICATED MEASUREMENT.