What was found
CAPTAIN`S PFD HAS NO ALTITUDE INFO DISPLAYED. REPLACED AIR DATA MODULE 19FP1 IAW AMM. PERFORMED ILS LAND CAT111 TEST DUE TO REPLACING ADM & RERACK OF ADIRU 1 IAW AMM 22-97-00, TESTED OK, STATUS NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CAPTAIN`S PFD HAS NO ALTITUDE INFO DISPLAYED. REPLACED AIR DATA MODULE 19FP1 IAW AMM. PERFORMED ILS LAND CAT111 TEST DUE TO REPLACING ADM & RERACK OF ADIRU 1 IAW AMM 22-97-00, TESTED OK, STATUS NORMAL.