As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRIC SMELL THROUGHOUT CABIN. FOUND LEFT RECIRC FAN MAKING LOUD GRINDING NOISE, CYCLED SWITCH FAN FAILED TO TURN ON. CABIN FILLED WITH SMOKE. REPLACED LEFT RECIRC FAN PER SMC 09-MM 21-25-01. FAN WAS REPLACED. NO FURTHER EVENTS OF SMOKE OCCURRED. RECIRCULATION FAN HAS NOT BEEN RECEIVED BY SHOP 154 FOR FINDINGS.