What was found
(CAN) SHORTLY AFTER T/O (A/C RETURNED), THE FOLLOWING INDICATIONS CAME UP ON F/O'S SIDE: MACH FLAG IN A/S INDICATOR, SSC FLAG IN ALTIMETER, F/D FLAG IN ADI, OFF FLAGS IN BOTH TAS AND SAT INDICATORS, AND FAIL ANNUNCIATORS IN BOTH MACH TRIM AND MACH FEEL CHANNEL 2 SWITCH LIGHTS. AUTOPILOT COULD ONLY BE ENGAGED IN CWS.SELECTING F/O'S ALT AS/M SWITCH CAUSED MACH FLAG ONLY TO DISAPPEAR. DURING FINAL, ALL ABNORMAL INDICATIONS DISAPPEARED MOMENTARILY ONLY TO REAPPEAR SHORTLY AFTER. CADC REPLACED AND TESTED SERVICEABLE IAW MM 34-14-01.LEAK CHECK C/O AND TESTED SERVICEABLE.