As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FRL FLT 6261 - JFK - DURING TAXI IN PRIOR TO E1 SHUT DOWN (E2 WAS ALREADY SHUT DOWN) CREW PERFORMED BLEED XFER TO THE APU UPON TRANSFER. CREW NOTICED ODOR AND SMOKE IN BOTH THE FLIGHT DECK AND CABIN. CREW SHUT DOWN PACK 2 AND SMOKE DISSIPATED. MX RAN THE ENGINE AND XFERRED TO APU SEVERAL TIMES AND COULD NOT DUPLICATE.