What was found
ATL/BNA - FLT 558 - RETURNED TO ATL DUE TO FIRST OFFICER'S ADI FAILING DURING CLIMB-OUT. REMOVED AND REPLACED NR 2 VERTICAL GYRO. OPS CHECK GOOD PER MM 34.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ATL/BNA - FLT 558 - RETURNED TO ATL DUE TO FIRST OFFICER'S ADI FAILING DURING CLIMB-OUT. REMOVED AND REPLACED NR 2 VERTICAL GYRO. OPS CHECK GOOD PER MM 34.