What was found
PDIS 619 27-50 0436 08FEB23 ANC OPEN U ON APPROACH TO ANC, FLAPS 15, SLATS EXTENDED, WHEN SLOWED TO 185KIAS, LEVEL 2 SLAT DISAG CAME AND WENT MULTIPLE TIMES WITH PLI COMING DOWN AND FOOT COMING UP. ACCELERATED TO 220KIAS AND CAUTION WENT AWAY. DISCONTINUED APPROACH AND WORKED CHECKLIST. SLOWED TO 210 AND EXTENDED FLAPS 28. SLOWED BY 10 KNOT INCREMENTS TO GEAR DOWN, FLAPS 35, FMS SPEED FOR LANDING. CAUTION DID NOT RETURN. LANDED WITHOUT INCIDENT. ***EMERGENCY DECLARED*** AMM: 31-71-01-2 NO FAULT NOTED IN THE CFDS. PREFORMED MD-11 FIM 31-71-07-00 AND MD-11 AMM 27-84-00-5, WITH NO FAULT NOTED. REPLACED THE PSEU PER MD-11 AMM 31-71-01-2. OPS CHECK GOOD. OK FOR SERVICE.