As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATB DUE TO FUMES IN CABIN. BURNING SMELL. POST FLIGHT REPORT SHOWED "RE-CIRCULATION FAN LT". VC SYSTEM TEST FAULTING LT RE-CIRCULATION FAN. REMOVED AND REPLACED LT RECIRCULATION FAN PER AMM 21-21-51. LEAK CHECK OK. SYSTEM TEST GOOD. NO SMELL NOTED.