As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI IN SMELLED BURNT AIR THEN GOT "LEFT PACK TEMP EICAS" SHUT DOWN PACK AND PARKED JET. COMPLIED WITH SMOKE OR FUMES IN THE CABIN PER AMM 05-51-56-2, TASK 21-00-21-102-030, SUBTASK C (1) & (2). NO COMPONENTS WERE FOUND WITH OIL CONTAMINATION. PER FLIGHT CREW IT SMELLED LIKE AN OVERHEATED PACK. REMOVED AND REPLACED LT PACK BAY AIR CYCLE MACHINE MPN 680640-4 SN: WXP0569 REF AMM 21-51-03-4. OPS CHECK NORMAL. OK FOR SERVICE.