As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EICAS MESSAGE: LEFT RECIRCULATION FAN' DISPLAYED & 'LEFT RECIRCULATION FAN INOPERATIVE' LIGHT ILLUMINATED, WITH SWITCH 'ON'. LEFT RECIRCULATION FAN LIGHT PRECEEDED BY ODOR OF SMOKE THROUGHOUT AIRPLANE. CONFIRMED THAT ODOR DISSIPATED AND CLEARED AFTER LEFT RECIRCULATION FAN FAILED. REPLACED LEFT RECIRCULATION FAN PER MM. RAN BOTH PACKS AND BOTH RECIRCULATION FANS, NO ODOR IN CABIN.