As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE FIRE LIGHT BLINKED ON TWICE FOR ONE SECOND AND EACH TIME THAT HAPPENED THE HORN CHIRPED. PILOT RETURNED TO MFR WITHOUT INCIDENT. NO EMERGENCY WAS DECLARED. AIRCRAFT WAS INSPECTED WITH NO DEFECTS FOUND. FIRE WARNING SYSTEM TESTED GOOD. AIRCRAFT WAS RETURNED TO SERVICE. (M)