As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRSPEED ALT & ENG INSTRUMENTS BLANKING OUT. FOUND NR 1 DEU FAIL. REPLACED SAME PER AMM 31-62-21. VERIFIED SOFTWARE LOADED. PERFORMED LAND VERIFY PER AMM 22-11-00, TESTS PASSED. ACFT REMAINS CAT IIIA. ANNUNCIATOR READS SAME. ROTABLE PARTS CHANGE WAS INDICATED - TT 1379022, S/N OFF 02518 UNIT, ELECTRONIC OFF 29-3162-9-0002 2518 ON 29-3162-9-0002 0429.