What was found
DURING VECTORS FOR FINAL APPROACH, GOT SEL ELEV FEEL MAN & FLAP LIM OVRD. LEVEL 2 ALERTS. ADDITION TO LOSS OF BOTH FLT DIRECTORS, AUTO PILOT, ATS BOTH RED, SELECT FADEC ALTN, AIRSPEED 1 LOSS & ERRATIC. FOLLOWED QRH CHECKLIST PROCEDURES FOR AIRSPEED UNRELIABLE & OTHER FLT CTRL LVL 2 ISSUES & LANDED. EXTREME WX/T STORMS & RAIN IN TERMINAL AREA. NO KNOWN ICING ENCOUNTERED. FLT CONDITIONS AT TIME OF LOSS, IMC, RAIN TEMP 7 DEG, C WIND VARIABLE, ALTITUDE FL 200, SPEED 290 IN DESCENT PHASE OF FLT. CADC SWAP & FLT DIR NR 1 OFF CORRECTED CAPTAINS SIDE AS & FD. FOUND WATER IN CAPT'S PITOT LINE, PURGED CAPTS PITOT LINE & TESTED IAW MM 34-11-00-2. SYS NOW CHECKS GOOD.