What was found
APPROXIMATELY 2 HRS INTO FLIGHT FUEL TOTAL & ALL 3 MAIN TANKS SHOWED FLUCTUATION OF 5000 LBS. QRH FUEL QTY ABNORMAL INDICATION COMPLIED WITH. RELEASED FOR SERVICE IAW MEL 28-01-01-02 CATEGORY AN EXPIRATION 16 MAY 16. TANK NR 2 FUEL TANK SYNOPTIC QTY DISPLAY INOPERATIVE. FUEL TO KNOWN QTY & AFTER REFUELING, VERIFY TANK NR 2 QTY WITH FUEL LEVEL STICKS & RECORD IN THE AML & EAML. OPERATE FSC IN MANUAL. TAIL FUEL MGMT INOPERATIVE. FQBU STORED T2 REF L P P SHORTED PROBE AT LAST LEG, NEED TO REPLACE LT COMPENSATOR IAW FIM 28-41-07-00. R&R MJP IN NR 2 TANK IAW AMM 28-41-40-4. R&R PROBE NR 1 IN NR 2 TANK IAW AMM 28-41-01-4. R&R TAIL TANK COMP PROBE IAW AMM 28-41-37-4. R&R TAIL TANK MJP IAW AMM 28-41-40-4. PERFORMED TEST IAW AMM 28-41-00-5. TEST PASSED.