As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING START SEQUENCE THE ENGINE APPEARED TO START NORMALLY UNTIL STARTER DIS-ENGAGED THEN SHUT ITSELF DOWN. TESTING FOUND FUEL SHUTOFF VIBRATING LOUDLY WHEN POWER APPLIED WITH ENGINE STOP BUTTON. SUSPECT THE VALVE WAS TRYING TO BE OPEN ANDCLOSED AT THE SAME TIME. REPLACED THE VALVE AND THE ENGINE STARTED AND STOPS NO RMALLY.