As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CA DG FAIL AFTER T/O PERFORMED ADIRU BITE FOUND 7 FAULTS RELATED TO #1 ADIRU. REMOVED AND REPLACED #1 ADIRU REF AMM 34-21-01 ALL TESTS PASSED. PERFORMED LAND VERIFY REF AMM 22-11-00. ALL TESTS PASSED ACFT REMAINS "NO AUTOLAND" STATUS DUE TO L/P 6869206 A/T MEL.