What was found
"EFIS COMP MON" CAUTION MESSAGE AND "IAS" FLAG ON BOTH DISPLAYS. DETERMINED ADC 1 FAILED. PURGED PITOT/STATIC SYSTEMS NR 1 AND NR 2 IAW AMM 34-11-00, AND REPLACED NR 1 ADC IAW AMM 34-13-01.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
"EFIS COMP MON" CAUTION MESSAGE AND "IAS" FLAG ON BOTH DISPLAYS. DETERMINED ADC 1 FAILED. PURGED PITOT/STATIC SYSTEMS NR 1 AND NR 2 IAW AMM 34-11-00, AND REPLACED NR 1 ADC IAW AMM 34-13-01.