As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 3935 - FSM - FLIGHT ATTENDANTS REPORTED SMOKE SMELL AND HIGH PITCHED WHINE, FLIGHT DIVERTED TO FSM, RECIRC FAN TURNED OFF. CREW DECLARED EMERGENCY FOR PRIORITY HANDLING. MAINTENANCE INSPECTED AND DETERMIND FAULT WITH LEFT AUTO TEMP CONTROL SYSTEM. SYSTEM WAS DEFERRED. AIRCRAFT WAS RELEASED FOR SERVICE. (M)