As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - FLT 783 - DURING PRE-FLIGHT WHEN CREW TURNED ON AIR CONDITIONING, THEY REPORTED SMOKE IN THE CABIN. OPERATED LT AND RT AIR CONDITIONING PACKS FULL HOT AND COLD USING APU AND ENGINE AIR. UNABLE TO DUPLICATE. SUSPECT DE-ICING FLUID INJESTION. CHECK-C 2D. 02-13-97. JFK. (X)