What was found
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. ACFT 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. 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 IAW SLAT POSITION SENSORS ADJ/TEST REF M/M 27-84-02-5.