As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#2319, FLL- SLC. (AIRCRAFT PERFORMED AN AIR TURN ABCK TO FLL AND DECLARED AN EMERGENCY) 'AFTER T/O HYD YELLOW RSVR LOW LEVEL - RSVR COMPLETELY EMPTIED TO CAUSE YELLOW SYSTEM FAILURE; REMOVED AND REPLACED #2 ENG EDP IAW AMM 29-13-51-000-010-A. OPS CHECK GOOD. NO DEFECTS WERE NOTED. A/C OK TO CONTINUE SERVICE.' (SUPPLEMENTAL INFORMATION ADDED TO DESCRIPTION)