As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHORTLY AFTER TAKEOFF CREW RECEIVED AN "ELEVATOR SPLIT CAUTION MESSAGE". THEY DECLARED EMERGENCY AND RETURNED TO SAV. THEY DID NOT LAND OVERWEIGHT AND RETURNED TO THE GATE WITHOUT FURTHER ISSUE. NO FURTHER INFORMATION AT THIS TIME. ELEVATOR SPLIT CAUTION MSG IN FLIGHT. REMOVED AND REPLACED LH ELEVATOR POSITION TRANSMITTER IAW AMM 27-34-10-000/400-801. OPS CHECK GOOD AT THIS TIME.