What was found
DEPARTED WITH OVER 900 POUNDS OF FUEL MORE THAN REQUIRED. 20 MINUTES INTO FLIGHT, TOTAL FUEL INDICATED 1200 POUNDS BELOW, 20 MINUTES LATER, FUEL INDICATED 1400 BELOW. BEGAN THE QUICK REFERENCE HANDBOOK PROCEDURES TO CORRECT FUEL QUANTITY. AN EMERGENCY WAS DECLARED, FLIGHT DIVERTED, AND LANDED WITHOUT FURTHER INCIDENT. THE AIRCRAFT WAS GROUNDED. MAINTENANCE REPLACED THE FUEL QUANTITY PROCESSOR UNIT IAW AMM 28-41-81 AND PERFORMED SATISFACTORY OPERATIONAL CHECK.