As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: AN EMERGENCY WAS DECLARED COMMING INTO SFO DUE TO FLIGHT CONTROL SLATS LOCKED (JAMMED) FAULT MESSAGE DISPLAYED. THE AIRCRAFT LANDED SAFELY AT SFO. MAINTENANCE ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK OF THE FLAPS / SLAT SYSTEM WITH NO FAULTS NOTED PER TSM 27-81-00.