As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN FLIGHT TRANSMISSION, CHIP LIGHT ILLUMINATED, UPON LANDING THE MECHANIC CLEANED THE TRANSMISSION CHIP PLUGS IAW MM AND DURING THE GROUND RUN AND LEAK CHECK TRANSMISSION CHIP LIGHT ILLUMINATED ONCE AGAIN. THE MECHANIC REMOVED AND REPLACED THE TRANSMISSION. (K)