As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SDQ - FLT 1728 - AFTER TAKEOFF SDQ DURING CLIMB-OUT, ELECTRICAL TYPE ODOR NOTED IN CABIN WITH NO VISIBLE SMOKE. AIRCRAFT RETURNED SDQ AND LANDED WITHOUT INCIDENT. CHECKED CABIN AREA WITH NO DEFECTS FOUND. ACCOMPLISHED PACK BURNOUT PROCEDURE AND PRECAUTIONARY REPLACED COALESCER BAGS. SYSTEM GROUND CHECKED NORMAL OPERATION AND UNABLE TO DUPLICATE ODOR. AIRCRAFT RETURNED TO SERVICE. (M)