As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN CRUISE C/B RIGHT DC BUS AND RAM AIR TURBINE POWER C/B BOTH POPPED, ALL EMERGENCY EXIT LIGHTS IN CABIN ILLUMINATED. ALSO RIGHT REC FAN AFT CABIN TEMP EICAS MSG AFT EQUIP COOLING EXHAUST FAN 1 AND FWD EQUIP EXHAUST FAN MSG. RESET C/B C/W RAT MANUAL EXT. NO DEFECTS NOTED. RAN FANS AND PACKS BOTH C/B STAYED IN. INSPECTED WIRING BEHIND P6 AND P11 PANELS, NO CHAFING OR DAMAGE NOTED.