As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - FLT 0333 - AFTER TAKEOFF LGA DURING INITIAL CLIMB-OUT, LIGHT SMOKE AND FUMES NOTED IN CABIN. CONDITION CLEARED WITHIN SEVERAL MINUTES WITH NO CREW ACTION REQUIRED. AIRCRAFT PROCEEDED TO ORD AND LANDED WITHOUT INCIDENT. REPLACED AIR CYCLE MACHINE COALESCER BAGS. ACCOMPLISHED PACK BURN-OUT PROCEDURE. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)