As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLAP/SLAT DISAGREE MESSAGE DURING DESCENT, FLIGHT DECLARED EMERGENCY AND LANDED WITHOUT FURTHER INCIDENT. REPLACED LEADING EDGE SLAT/FLAP PROXIMITY SENSOR S174 F4 RETRACT WITH NEW IAW AMM 27-88-11, OPS CHECK GOOD.