As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 5570 - FLL-JAX - DURING FLIGHT CREW HEARD A AUDIBLE POP AND NOTICED THE EFIS TUBE ON THE FIRST OFFICERS SIDE HAD GONE BLANK. CREW ALSO NOTICED SMOKE COMING FROM THE AREA. CREW DECLARED AN EMERGENCY AND RETURNED TO FLL. MAINTENANCE REMOVED AND REPLACED EFIS TUBE AND DPU, OPS CHECK GOOD. AIRCRAFT WAS RETURNED TO SERVICE. (M)