What was found
CADC FAILED AT FL350 IN ICING CONDITIONS STATIC AIR SWITCH TO ALT CURED PROBLEM REMOVED AND REPLACED CAPTAINS CADC AS PRECAUTION IAW MD-11 MM 34-16-01-4. REMOVED AND REPLACED MSC IAW MD-11 MM 31-42-01-4. CADC #1 TEST NORMAL IAW MD-11 MM 34-16-01-5. FINAL LEAK TEST PERFORMED ON WRI 34-16/2904 AFTER PITOT LINE REPLACEMENT. APPROXIMATE LEAK RATE OF 18 FEET PER MINUTE STATIC AND .4 KTS PER MINUTE PITOT WITH BOTH CAPTS AND FO'S SYSTEMS SIMULTANEOUSLY UNDER TEST. ALL INDICATIONS COMPARABLE AT 36,180 FT 362 KTS. MAX DIFFERENCE 50 FT AND 3 KTS BETWEEN TEST EQUIPMENT AND CAPT/FO PFD'S. REF WRI MD-11 MM 34-11-00-2.