As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED CAPTAINS AIRSPEED/ALTIMETER/VERTICAL SPEED INDICATIONS AT APPROXIMATELY 110KTS. NO HELP SELECTING ALTN SOURCE AND NO OTHER FAILURE MESSAGES IN VIEW. RETURNED TO DFW AND LANDED WITHOUT INCIDENT. REPLACED LEFT ANGLE OF ATTACK VANE. SYSTEM GROUND CHECKED NORMAL OPERATION.