As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, NOTICED THE NR 1 ENGINE CHIP LIGHT. RESET THE MASTER CAUTION AND BURNED CHIP. CHIP LIGHT WENT OUT. NR 1 ENGINE CHIP CAUTION RETURNED. RESET MASTER CAUTION AND BURNED CHIP. CHIP LIGHT WENT OUT. RETURNED TO BASE. NR 1 ENGINE CHIP RETURNED THIRD TIME, RESET MASTER CAUTION AND DIVERTED TO OTHER AIRPORT THAN DEPARTURE BASE FOR A PRECATIONARY LANDING. NR 1 ENGINE CHIP WENT OUT. CHANGED DESTINATION FOR THE DURATION OF THE FLIGHT AFTER THE MASTER CAUTION. MONITORED NR 1 ENGINE TEMP AND OIL PRESSURE. NO NOISES NOTED.