As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6081 - BOS-LGA - AIRCRAFT AT GATE SMOKE IN CABIN BEFORE DEPARTURE, BOTH AIRCRAFT PACKS OVERHEATED WITH PACK GROUND COOLING FAN DOORS FULL OPEN. SMOKE IN CABIN, PASSENGERS DEPLANED. REPLACED FLT/GROUND SHIFT SENSOR ON LEFT MAIN LANDING EAR PER MM 32-31-0. OPERATIONAL CHECK NORMAL. (M)