As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHORTLY AFTER T/O, THE CREW REPORTED SMOKE IN THE CABIN. THEY DECLARED AN EMERGENCY AND LANDED WITHOUT ISSUE. MAINTENANCE TROUBLESHOT AND FOUND THE RT PACK OVERTEMPED AND SIEZED. DEFERRED THE RT PACK. REMOVED AND REPLACED RH ACM OPS CHECK GOOD. THIS CLEARS MEL.