Delta Airlines Boeing 737-900, registration N840DN performing flight DL-2630 from Atlanta,GA to Jacksonville,FL (USA), was descending through about FL230 on approach to Jacksonville when the crew declared emergency reporting an engine (CFM56) failure. The aircraft continued for a safe landing on runway 26 about 25 minutes later.
The airport reported the aircraft suffered an engine failure.
A replacement Boeing 737-900 registration N864DN performed the return flight (still DL-2630) with a delay of about 100 minutes.
The occurrence aircraft is still on the ground in Jacksonvolle about 27 hours after landing.