As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUS - FLT 1083 - AFTER TAKEOFF AUS DURING CLIMB-OUT, ACRID ODOR NOTED IN CABIN BUT NO VISIBLE SMOKE OR HAZE. AIRCRAFT RETURNED TO AUS AND LANDED WITHOUT INCIDENT. ACCOMPLISHED INTERGRATED ELECTRICAL SYSTEM CHECK WITH NO DEFECTS FOUND. ACCOMPLISHED PACK BURNOUT PROCEDURE AND REPLACED WATER SEPARATOR COALESCER BAGS. SYSTEM GROUND CHECKED NORMAL OPERATION WITH NO ODORS NOTED. (M)