As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NON-ETOPS CARGO FLIGHT 16. DURING CLIMB THE ACFT EXPERIENCED A NR2 BUS POWER FAILURE CAUSING THE LOSS OF USE OF ALL INSTRUMENTS AND SYS POWERED BY THE NR 2 BUS. CREW ACCOMPLISHED APPROPRIATE CHECK LISTS LANDED WITHOUT FURTHER INCIDENT. MX R & R THE NR2 TRANSFER BUS RELAY IAW AMM 24-21-0 AND WDM 24-24-01. FUNCTION TESTED SATISFACTORY AND RETURNED THE ACFT TO SERVICE.