As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD-JFK, SLAT FAIL ON APPROACH TO LANDING, QRH ITEMS COMPLETED. AFTER EMBRAER ANALYZED THE FHDB FOR SLAT FAIL EVENT (REPEAT ITEM) IT WAS DETERMINED THAT THE SLAT SURFACES JAMMED IN FLIGHT DURING APPROACH. FIM TASK 27-81-00-810-802-A. PERFORMED FIM TASK 27-83-00-810-804-A. REPLACED NR 1 SLAT LT ELECTRIC PDU MOTOR. REF AMM 27-83-04. ALSO C/W FIM TASK 27-81-00-810-802-A. OPS CHECK OK.