As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#2968, CHS- BOS. (AIRCRAFT PERFORMED AN AIR TURN BACK TO CHS AND DECLARED AN EMERGENCY) ‘F/CTL SLAT LOCKED AFTER T/OFF; RESET SLAT WTB IAW AMM 27-51-00. DURING OPS TEST SLAT/FLAP SYS. RECEIVED MSG SLAT/FLAP SYS FAULT. REMOVED AND REPLACED SFCC 2 IAW AMM 27-51-00. OPS TEST SLAT/FLAP GOOD.'