As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EWR - FLT 3396 - CREW REPORTED EXTRACTION FAN FAULTED DURING APPROACH. VERY MILD SMOKE ODOR NOTED. MAINTENANCE T/S AIRCRAFT AND FOUND INOPERATIVE EXTRACTION FAN. AIRCRAFT RELEASED IAW MEL NR 21-23-03-6 PLACARD NR 001029. S/D MAINTENANCE REMOVED AND REPLACED EXTRACTION FAN IAW ATR42 AMM NR 21-23-20. OPS CHECKED GOOD. MEL CLEARED AND AIRCRAFT RETURNED TO SERVICE. (M)