As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF WITH PACKS TURNED ON, CABIN FILLED WITH BLUE SMOKE FOR A SHORT PERIOD OF TIME. MAINTENANCE AT JFK CHECKED ALL FOUR ENGINES FUEL HEATERS AND BLEED SYSTEMS. ALL FOUND OK. COALESCER BAGS WERE REPLACED IAW 21-51-05. ALSO, CLEARED BLOCKAGE IN THE NR 1 PACK DRAIN LINE. (M)