What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Aircraft had an electrical smell of burnt plastic coming from the overhead blower vents with minimal visible smoke that the pax could smell and see in the cabin. Smell was much stronger in the cockpit. Crew declared emergency and returned to cle without incident. Jjba cle maintenance found that a vent blower had failed. This item was removed and replaced. The defective unit was returned to the previous overhaul shop for teardown and failure analysis per jjba form CA-60, mechanical reliability report.
As the FAA filed it
(-23) AIRCRAFT HAD AN ELECTRICAL SMELL OF BURNT PLASTIC COMING FROM THE OVERHEAD BLOWER VENTS WITH MINIMAL VISIBLE SMOKE THAT THE PAX COULD SMELL AND SEE IN THE CABIN. SMELL WAS MUCH STRONGER IN THE COCKPIT. CREW DECLARED EMERGENCY AND RETURNED TO CLE WITHOUT INCIDENT. JJBA CLE MAINTENANCE FOUND THAT A VENT BLOWER HAD FAILED. THIS ITEM WAS REMOVED AND REPLACED. THE DEFECTIVE UNIT WAS RETURNED TO THE PREVIOUS OVERHAUL SHOP FOR TEARDOWN AND FAILURE ANALYSIS PER JJBA FORM CA-60, MECHANICAL RELIABILITY REPORT.