As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, WHEN THE CREW TURNED ON LT RECIRCULATION FAN IT EMITTED A BURNING SMELL. THEY TURNED THE LT RECIRCULATION FAN OFF AND SMELL WENT AWAY. THEY LANDED WITHOUT FURTHER INCIDENT. MX REPLACED THE LT RECIRCULATION FAN. OPS CHECKED GOOD IAW MM 21-21-1. ACFT WAS RETURNED TO SERVICE.