What was found
RECEIVED RED "IAS", "ALT" AND "V/S" FLAGS ON FO SIDE PFD IN FLIGHT. PURGED P1, P2 SYSTEMS IAW AMM 34-11-00 AND REPLACED ADC 2 IAW AMM 34-13-01.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RECEIVED RED "IAS", "ALT" AND "V/S" FLAGS ON FO SIDE PFD IN FLIGHT. PURGED P1, P2 SYSTEMS IAW AMM 34-11-00 AND REPLACED ADC 2 IAW AMM 34-13-01.