What was found
RETURNED TO GATE DUE TO UNIDENTIFIED ODOR IN CABIN AND FLIGHT DECK. REPLACED RECIRCULATION FAN, OPS NORMAL. NO ODOR IN ACFT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RETURNED TO GATE DUE TO UNIDENTIFIED ODOR IN CABIN AND FLIGHT DECK. REPLACED RECIRCULATION FAN, OPS NORMAL. NO ODOR IN ACFT.