What was found
DURING CRUISE, RECEIVED AN AMBER NO COMPARE ON THE CAPTAIN`S PFD AND AMBER X ON EAD. NO SENSOR ALERTS AND ALTITUDES WITHIN 100 FT. NO OTHER MISCOMPARE ANNUNCIATIONS. RECEIVED AN IAS DISAGREE ON APPROACH. F/O AIRSPEED AGREED WIITH STANDBY INDICATOR. NUMERIOUS AUTOPILOT DISCONNECTS. NOTED CLOGGED CAPTAIN'S PITOT TUBE DRAIN HOLES. CLEANED IAW MM 34-11-01-2. PERFORMED CAPTAIN'S PITOT SYS LEAK CHECK IAW MM 34-11-00-2. NO LEAKS NOTED. REMOVED AND REPLACED THE CAPTAIN'S NR 1 CADC IAW MM 34-16-01-4. AFS RTS AND AUTOLAND RTS TESTS TO BOTH FCC'S NORMAL. IAW MM 22-00-00-5. RVSM AND LLM IN COMPLIANCE. OK FOR SERVICE.