As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 1521 - AIR RETURN TO OTZ, DUE FUEL FLOW INDICATED 11 GALLONS PER HOUR (GPH) IN CRUISE FLIGHT. A LANDING WAS MADE AT OTZ WITHOUT INCIDENT. MAINTENANCE REPLACED THE FUEL FLOW INDICATOR AND PERFORMED A FUEL FLOW TEST IAW THE CESSNA SERVICE MANUAL. GROUND RUN UP INDICATED FUEL FLOW WAS NORMAL AND THE AIRCRAFT WAS RETURNED TO SERVICE. (W)