As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, THE CREW SMELLED A BURNING SMELL IN THE CABIN. THE PILOT DEACTIVATED THE A/C SYSTEM AND PERFORMED AND UNSCHEDULED LANDING. UPON MAINTENANCE ARRIVAL, IT WAS FOUND THAT THE EVAPORATOR MOTOR WAS INOPERATIVE. THE SYSTEM WAS DEFERRED AND THE BLOWER WAS REPLACED UPON RECEIPT.