What was found
ON TAKEOFF ROTATION CADC NR 1 FAILURE, LOST CAPT A/S, ALT, F/D, AP, ATS. COMPLIED WITH QRH. REPEAT WRITE UP. CONFIRMED NR 1 PITOT TUBE WAS CLOGGED FOUND WATER PITOT TUBES AND DRAIN HOLES CLOGGED. ALSO PURGED PITOT SYSTEM IAW MD-10 MM 34-11-00. SYSTEM OP'S CHECKS GOOD IAW MD-10 MM 34-11-00, NO FAULTS NOTED.