What was found
IAS DISAGREE MESSAGE SHOWS ON AIRPSEED DISPLAY FIRST OFFICER''S AT GATE BOT CAPT AND F/OS READ 45 KTS. CAPTAIN SAID AT NO TIME DID AIRSPEED GO TO 0KTS. DEBRIEF FROM CREW INDICATED NO AIRSPEED SPLIT ON CLIMBOUT FROM DEN. IAS DISAGREE MSG 10 MIN AFTER LEVEL OFF AT FL350. AIRSPEED SPLIT WAS 10 KTS COMPARED TO CAPTAINS AND STANDBY AIRSPEED. DIVERT TO HOUSTON---SPLIT BECAME LARGER ON DESCENT. REPLACED #2 PITOT ADM REF. TO AMM 34-21-04, TESTED GOOD. PARTS USED: 29-3413-9-0001,QTY :1 VERIFIED #2 PITOT ADM QUICK DISCONNECT INSTALLED REF. TO AMM 34-21-04. PARTS CHANGE INFO ONLY. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1602708 SN OFF 4446 MODULE, AIR DAT OFF 42-3413-9-0001 4446 ON 42-3413-9-0001 4163