As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT IRU FAULT IN FLIGHT. R/R LEFT ADIRU REF AMM 34-21-01-400-801 OPS CK GOOD. ALSO PERFORMED LAND VERIFY REF AMM 22-11-00 ALL PASS. A/C REMAIN FULL CAT CAPABILITY. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1076764 SN OFF 1009 UNIT, ADIRU, AI OFF 60-3421-9-0001 1009 ON 60-3421-9-0001 5723.