As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DUMPED FUEL AND DIVERTED TO LHR WITH ADIRU INOP PRIOR TO RVSM/CLASS 2 AIRSPACE. EICAS STATUS MESSAGES AOA VANE, L STATIC ADM, L PITOT ADM AND ADIRU. ADIRU REPLACED AND SENT TO HONEYWELL FOR TEST AND REPAIR. PRELIMINARY FINDINGS SHOW FAILURES ON A8 629 INTERFACE CARD.