As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EWR FLT 2101 - THE CREW REPORTED A SMOKE SMELL IN THE COCKPIT/CABIN. THE AIRCRAFT DIVERTED INTO PHL AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND REPLACED PACK 2 DUCTS P/N 145-22277-405 AND 145-22285-403. DUCTS WERE MELTED. MAINTENANCE ALSO REPLACED THE NR 2 PACK OVER TEMP SWITCH. OPERATIONAL CHECKS WERE GOOD.