What was found
AIRCRAFT WAS GROUNDED: AFTER LEVEL OFF FUEL INDICATIONS SHOWED 7.43, 5.91, 5.41 WITH TANK TO ENGINE WE CONFIGURED BOTH MOTORS OFF LEFT TANK AND RIGHT WING TANK CONTINUED TO GO LOWER. AT 1407Z L 7.37 C 6.3 R 5.3. EMERGENCY WAS DECLARED AND AIR RETURNED TO MIA. ACCOMPLISHED UNWANTED FUEL TRANSFER FROM NUMBER 1 TANK PER FIM TASK 28-21-00-810-803. NO FAULTS ALSO INSPECTED ENGINE NUMBER 1 FOR FUEL LEAKS NO LEAKS AND FUEL QUANTITY INDICATION SYSTEM BUILT IN TEST EQUIPMENT NO FAULTS. DUE TO HISTORY ACCOMPLISHED MORE TROUBLE SHOOTING. RIGHT CENTER TANK PUMP " LOW PRESSURE" LIGHT ILLUMINATED WITH PUMP ON. CENTER RIGHT TANK PUMP UNIVERSAL FAULT INTERRUPTER REPLACED AND TESTED PER AMM 28-22-99.