What was found
PDIS 316 27-50 7006 30APR22 SLC OPEN U UPON FLAPS 35 SELECTION, RECEIVED LEVEL 2 SLAT DISAG. ALERT. INITIATED GO AROUND, AND THEN RECEIVED LEVEL 2 FLAP DISAG. ALERT. AIRSPEED WAS 146 IAS. AIRCRAFT DID NOT HAVE ANY ROLL MOMENT WHEN GETTING THE ALERTS. UPON RETRACTION OF FLAPS AND SLATS ALERTS WENT AWAY. ACCOMPLISHED CHECKLIST. SECOND APPROACH AT FLAPS 22/EXT. NO ALERT PRESENT AT THIS SETTING. EMERGENCY DECLARED. ***EMERGENCY DECLARED*** FACT 30APR22 17:46 SLC RANS FLAPS THROUGH ALL PHASES AND COULD NOT DUPLICATE DISCREPANCY. NO FAULTS LAST FLIGHT LEG PERTAINING TO SLATS OR FLAPS. RAN SLAT AND FLAPS RTS VIA FCC-1 AND FCC-2. NO FAULTS. CHECKED SLAT SENSOR READOUTS VIA PSEU AND ALL WERE WITHIN RANGE PER SLAT POSITION SENSORS ADJ/TEST REF M/M 27-84-02-5. PERFORMED SLAT POSITION INDICATION ADJ/TEST REF M/M 27-84-00-5. ALL CHECKS NORMAL. R/R'D PSEU PRECAUTIONARY REF M/M 31-71-01-2. OK TO CONTINUE.