As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NAV ADR 1 FAULT LAND VERIFY REQUIRED CYCLED RELATED BREAKERS, RERACKED ADIRU 1 AND PERFORMED BITE TEST OF ADIRU AND IRU TWICE REF AMM 34-13-00-740 AND AMM 34-14-00-740-004 TEST PASSED ON BOTH ATTEMPTS AND TESTED ADIRU 2 AND 3 ALL TESTS PASSED VIEW PICTURES TAKEN. NO DEFECTS NOTED.