As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT ENGINE FIRE WARNING WHILE CLIMBING TO ALTITUDE. REDUCED POWER LIGHT WENT OUT. MADE UNSCHEDULED LANDING. TROUBLESHOT FIRE DETECT SYSTEM. NO FAULTS FOUND. REMOVED AND REPLACED THE RIGHT FIRE DETECT BOX AS A PRECAUTION. RAN ENGINE. NO FAULTS FOUND. RETURNED AIRCRAFT TO SERVICE.