What was found
AT 35000 FT, TCAS FAIL AND ATC NOT RECEIVING TRANSPONDER ON LT OR RT, STARTING DESCENT RECEIVED WARNING HORN WHEN SPEED BRAKES DEPLOYED, AT SAME TIME CABIN ALT CLIMBED ABOVE 10,000. EXECUTED RAPID DEPRESS CHECK LIST, HALF WAY THROUGH DESCENT - AUTO FAIL. OUTFLOW VALVE WENT FULL OPEN, RECEIVED LOW IDLE LIGHT, ALSO VNAV DISCONNECTED. REPLACED AIR SENSE RELAYS R432 AND R282, REPLACED CONNECTOR D5212J ON E3-2 DISCONNECT BRACKET DUE TO BENT AND BURNT PIN. ALSO REPLACED AIR AND GROUND SENSE SENSORS S105 AND S106.