As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3248 - THE CREW REPORTED A BAD ODOR IN THE COCKPIT AND WAS UNABLE TO DETERMINE THE ORGIN. ODOR MIGHT BE THE FLIGHT CREW SEAT. THE AIRCRAFT WAS REMOVED FROM SERVICE. PERFORMED DETAILED VISUAL INSPECTION OF THE FLIGHT COMPARTMENT. RAN PACKS, NO BAD ODOR NOTICE AT THIS TIME. THE AIRCRAFT WAS RETURNED TO SERVICE.