What was found
ACFT RETURNED, NON COMMANDED LEFT TURN -20 DEG COMPENSATION WING DOWN AILERON, DIFFERENCE OF 4000 LBS OF FUEL BETWEEN MAIN TANKS. MX FUEL READING: FUEL 21900 LBS W/ 9300 LBS LT TANK, 9300 LBS RT TANK & 3400 LBS CENTRAL TANK. ACFT TOWED, NEW READING: 8400 LBS LT TANK, 4300 LBS RT TANK & 1300 LBS CENTRAL TANK, CONFIRMED W/ MEASURING STICKS, IN REFUEL CONTROL PANEL & IN COCKPIT INDICATORS. CHECKING EXTERNAL LEAKS & FUEL TRANSFERENCE IN FULL & EMPTY POSITION, ALL CORRECT. SEM & RT TANK COMPENSATOR REPLACED, TESTED CORRECT. MEX RON, CHECK VALVES & DUCTS CHECKED BY CONDITION, TANK CAPACITY VERIFIED IN FULL MODE, CORRECT. WING TANK PROBES REPLACED, TESTED CORRECT. TANK PROBES 5, 6, 7, 8 & 9 FOUND OUT OF SERVICE.