What was found
FUEL QUANTITY INDICATION ON RT WING TANK FLUCTUATED WHILE ENROUTE, SHOWING UP TO 2000 LBS LESS THAN THE LT WING TANK. ON DESCENT, RT TANK INDICATIONS JUMPED BACK TO NORMAL BALANCE LIMITS AFTER A BRIEF CROSS-FLOW OF 1-2 MINUTES. AT GATE AFTER SHUTDOWN, RT WING TANK INDICATOR SHOWS DASHES. REPLACED WING FUEL QUANTITY PROBE NR 6 AND NR 7 REF TO AMM TASK 28-40-31-000-801AND TASK 28-40-31-400-801 STEPS 1 THROUGH 5B. PERFORMED FUNCTIONAL TEST, CAPAITANCE, OF THE RT NR 6 AND 7 PROBES IAW AMM TASK 28-40-31-720-801 PARA 4 AND FOUND THEM TO BE WITHIN NORMAL RANGE. CLEARED FAULT CODE & DID NOT RETURN. NO FLUCTUATION NOTED. RETURNED TO SERVICE.