As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA- AFTER DEPARTURE, AN ACRID ODOR WAS REPORTED FROM CABIN. RECIRCULATING FAN CIRCUIT BREAKER WAS FOUND TO BE POPPED. TURNED RECIRCULATING FAN OFF, ODOR WENT AWAY. MAINTENANCE REPLACED THE NR 2 RECIRCULATION FAN, OPERATIONAL CHECK WAS GOOD. AIRCRAFT RETURNED TO SERVICE.