As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON APPROACH, DURING A TRAINING FLIGHT, THE ENGINE FIRE WARNING AND LOW OIL PRESSURE LIGHTS CAME ON. THE CREW SHUTDOWN THE ENGINE AND AN UNEVENTFUL SINGLE ENGINE LANDING WAS PERFORMED. POST FLIGHT INSP REVEALED A BURNED DRAIN LINE. MFG WILL CONTINUE INVESTIGATING THE EVENT AND ADVISE OF ROOT CAUSE ONCE ESTABLISHED.