As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ACFT LOST IR2 ENROUTE, BOTH AUTO-PILOTS RENDERED UNSERVICEABLE, MAKING THE FLIGHT UNABLE TO PROCEED RVSM. FLIGHT HAD TO DESCEND TO FL280. DUE ENROUTE WEATHER HAD TO RE-ROUTE FLIGHT AND DID NOT HAVE ENOUGH FUEL TO MAKE DESTINATION, SO DIVERT WAS NECESSARY. NO EMERGENCY REPLACED ADIRU 1FP2 IAW AMM 34-12-34.