As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG ELEC ODOR & ASSOCIATED HAZE THROUGHOUT CABIN. RECIRC FAN SELECTED OFF BY CREW & SMOKE HAZE DISSIPATED. ACFT DOWNLINKED LOWER RECIRC FAN LT, FAULT MSG 21-24600. BOTH RECIRC FAN SWITCHES WERE SELECTED OFF BY CREW. CONFIRMED THE LOWER LT RECIRC FAN WAS AT FAULT. R & R LT LOWER RECIRC FAN IAW AMM 21-25-07.