What was found
AT FL 230, IN LEVEL FLT, RECIEVED FUEL IMBALANCE CAUTION. RT TANK LOW. RT TANK QTY REDUCED TO ZERO, THEN SHOWED DASHES. CENTER TANK AND TOTAL FUEL QTY ALSO SHOWED DASHES. ON APPROACH, ALL INDICATIONS RETURNED TO NORMAL. CORRECTIVE ACTION TAKEN: PERFORMED BITE TEST OF FUEL COMPUTER. ALL RIGHT TANK PROBES SHOWING FAULTS. FOUND FUEL COMPUTER LOOSE ON MOUNT. RESEATED COMPUTER. BITE TEST OK PER AMM 28-41-16. OK FOR SERVICE.