As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN FLIGHT, THE FIRE WARNING LIGHT AND BELL CAME ON FOR RIGHT ENGINE. ENGINE WAS SHUT DOWN PRECAUTIONARY AND BOTH FIRE BOTTLES WERE DISCHARGED. AN EMERGENCY WAS DECLARED. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. FIRE WARNING WAS DETERMINED TO BE A FALSE INDICATION. REMOVED AND REPLACED THE OIL BREATHER TUBE FIRE WIRE AND CLEANED CONTACTS AT COUPLINGS. REPLACED FIRE BOTTLES AND SQUIBBS. AIRCRAFT WAS RETURNED TO SERVICE.