What was found
AFTER DE-ICING AUTOTHROTTLES DISARMED DURING T/O, NO RE-ENGAGE AT ACCEL PDC CADC FAIL MSG, MACH TRIM FAIL LIGHT. DURING CLIMB CAPTS A/S AND ALTM OFF MSG AFTER LVL OFF. AT FL 290 APPROX 5 MIN CABIN ALT WARN HORN DIFF PRESS 6 PSI, CABIN ALT 10K. FOLLOWED QRH AND RTB CVG. FOUND CAPTS ALT OFF FLAG / PDC INPUT FAIL LIGHT ON, FOUND BOTTOM OF CADC NR 1 WET W/GYLCOL. INSPECTED MOISTURE TRAPS BOTH SYS DRY. DRIED AREA RPLCD NR 1 CADC PER M/M. PERFORMED CADC TEST PER MM, ALL IND OF SUSPECT GYLCOL ENTERED/ STAIRWAY DOOR.