As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SLAT FAILED AT FL200. EMERGENCY WAS DECLARED. T/S IAW FIM 27-83-00-810-814-A. R & R RT OTBD SLAT SKEW SENSORS IAW AMM 27-83-01. OPS CHECK GOOD. IN ADDITION LT SIDE SENSORS WERE ALSO REPLACED. SN R5726, L5730 & L5663 WERE ALSO REPLACED WITH THE SAME TIME AND CYCLES AS R5739.