As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 9516 -MISC/DE- THE FLIGHT CREW DECLARED AN EMERGENCY WITH ATC FOLLOWING A "RIGHT DC BUS FAILURE" INDICATION. THE RESULT OF THAT WAS A NO FLAP, NO SLAT LANDING. CORRECTIVE ACTION: MAINTENANCE REPLACED THE RIGHT PCDU AND THE LEFT POWER CONTACTOR RELAY. PERFORMED ALL RTS TESTS. THE AIRCRAFT HAS RETURNED TO SERVICE. (LP #7235652)