As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LBB - FLT 3390 - CREW REPORTED THE NR 2 PACK FAILED, WITH SMOKE PRESENT IN THE CABIN. THE LAVATORY SMOKE DETECTOR ACTIVATED, THE NR 2 PACK WAS DESELECTED AND THE CABIN SMOKE WENT AWAY WITH ONLY NR 1 RUNNING. PERFORMED OPERATIONAL CHECK OF NR 2 PACK WITH NO DISCREPANCIES NOTED. AIRCRAFT RETURNED TO SERVICE. (M)