As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, TRANSMISSION CHIP LIGHT ILLUMINATED. AT APPROXIMATELY 1310 IN CRUISE FLIGHT AT 1250FT ENROUTE TO EI11H, THE TRANSMISSION CHIP LIGHT ILLUMINATED. THE STUDENT FLYING RELINQUISHED THE CONTROLS TO ME. I MADE A MAYDAY CALL AND DECLARED AN EMERGENCY TO THE COMM CENTER, AND INFORMED THEM OF THE SITUATION. I IMMEDIATELY DIVERTED TO THE NEAREST AIRPORT, THAT BEING KPTN AND MADE A SUCCESSFUL PRECAUTIONARY LANDING WITH NO INJURIES OR DAMAGE TO THE AIRCRAFT.