As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE FLIGHT 3966 THE CREW REPORTED STRONG SMOKE ODOR INFLIGHT. ODOR WENT AWAY AFTER CREW TURNED OFF PACK NR 1. THE AIRCRAFT LANDED IN CLEVELAND WITHOUT FURTHER PROBLEM. MAINTENANCE PERFORMED OPERATIONAL CHECKS OF NR1 BLEED SYSTEM NO DEFECTS WERE NOTED AND AIRCRAFT WAS RETURNED TO SERVICE.