As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT AFTER TAKEOFF, PILOT RECIEVED LEFT TAILPIPE HOT INDICATION. PILOT RETARDED POWER AND LEFT TAILPIPE HOT LIGHT EXTINGUISHED. PILOT RETURNED TO FIELD. MECHANIC FOUND CORROSION ON OUTBOARD TAILPIPE HEAT SENSOR CONNECTOR, REMOVED CORROSION. PERFORMED GROUND RUN OF LEFT ENGINE, OPS CHECKS GOOD AT THIS TIME. AIRCRAFT RETURNED TO SERVICE.