As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT PERFORMED A PRECAUTIONARY LANDING SAFELY WITH A PATIENT ON BOARD FOR A MAIN TRANSMISSION CHIP INDICATION. PATIENT TRANSFERRED BY GROUND. MECHANIC INSPECTED MAIN TRANSMISSION CHIP DETECTORS AND FOUND SMALL CHIPS. MECHANIC FLUSHED THE TRANSMISSION AND RESERVICED. PERFORMED A 20 MINUTE GROUND RUN UNDER POWER. NO FURTHER DEFECTS NOTED. ACFT RELEASED FOR RETURN TO SERVICE.