As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT ENGINE FIRE LIGHT CAME ON DURING TAKEOFF. INSPECTED RT ENGINE, WHEN OPENING THE LOWER COWLING A LARGE AMOUNT OF WATER POURED OUT, INSPECTED FIRE DETECTORS AND ENGINE RUN NO DEFECTS NOTED IAW MM 26-00. AIRCRAFT WAS SUBJECT TO HEAVY RAIN ON PREVIOUS NIGHT.