What was found
DURING ILS APPROACH TO SFS, IN LIGHT TO MODERATE PRECIP, AT'S AND AP DISCONNECTED, ALSO HAD IAS COMPARATOR WARNING, W/ 5 TO 15 KTS DIFFERENCE. ALSO LEVEL 2 SEL ELEV FEEL MANUAL, LSAS ALL FAIL AND TWO OR MORE MOMENTARY LEVEL 2 ALERTS OCCURRED. ON GO AROUND, ALL ALERTS BEGAN TO EXTINGUISHED, ATTEMPTED 2ND ILS APPROACH, ALL AS ABOVE RE-OCCURRED AGAIN. CFDS CURRENT FAULTS, NIL. FRONT FACE INSPECTION FOR FAULT BALL ON ALL 3 ADC'S, REVEALED NONE. PER RECOMMENDATION FROM MOCC, ADJUSTMENT TEST PER AMM 34-16-01-5 CARRIED OUT, ALL R-T-S TEST PASSED ON ALL 3 ADC'S, ADDITIONAL VISUAL INSPECTION ON ALL PITOT TUBES, NIL OBSTRUCTION, ACFT OK FOR SVC.