As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOTH ADC'S FAIL ON APPROACH. REMOVED AND REPLACED ADC 1 IAW CRJ 900 AMM 34-13-01-000/400-801-A01-PSA, ADC OPS CHECK GOOD AT THIS TIME. REMOVED AND REPLACED OF THE SOURCE SELECTOR CONTROL PANEL IAW CRJ 900 AMM 34-25-07-000/400-801, SOURCE SELECTOR PANEL OPS CHECK GOOD AT THIS TIME. REMOVED AND REPLACED AIR DATA REFERENCE PANEL IAW CRJ 900 AMM 34-13-04-000/400-801, AIR DATA REFERENCE PANEL OPS CHECK GOOD AT THIS TIME.