As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 7771, BZN-GTF/AIR TURNBACK DISCREPANCY: CAPTAIN VMO FLAGGED ON TAKEOFF, 15KTS DIFFERENCE ON STANDBY ASI COMPARED TO PRIMARYS. TORQUE BUGS FELL TO 20%. TCAS FAIL ON CAPTAIN SIDE. AIRCRAFT WAS RETURNED TO BZN. LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE #1 AIR DATA COMPUTER AND CCAS COMPUTER. OPS CHECKS GOOD. OCF PERFORMED. ADC PN# 7000700-959 SN# 92025170, CCAS PN# 35-0A2-3008-314 SN# 346