As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON START UP TAXI AFTER TAKING ON FUEL, THE PILOT NOTICED THE RT FUEL GAUGE STILL INDICATED EMPTY. MAINTENANCE INSPECTED THE SYS AND FOUND THE FLOAT ARM WAS "STUCK" AT THE EMPTY POSITION. THE FLOAT ARM WAS KINETICALLY ADJUSTED WITH OUT FURTHER INCIDENT AND THE SYS WAS GROUND FUNCTION CHECKED SERVICABLE.