As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3227 DURING CLIMB THE CREW DECLARED A EMERGENCY FOR SMOKE SMELL IN COCKPIT AND CABIN. AIRCRAFT RETURNED TO DFW WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND RT HAND ACM SEIZED. REMOVED AND REPLACED RT HAND ACM. PERFORMED OPERATIONAL CHECKS NO SMELL DETECTED IN COCKPIT OR CABIN. AIRCRAFT RETURNED TO SERVICE. (A)