As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE LANDING APPROACH, THE SERPENTINE BELT (P/N-E4A-00-740-000) ON THE REAR OF THE INSTALLATION FAILED. THE FLIGHT CREW NOTICED THE ALTERNATOR WAS INOP AND THE COOLANT TEMPERATURE RISING RAPIDLY. A PRECAUTIONARY LANDING WAS MADE.