As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT BOOST PUMP FAULT AFTER TAKEOFF & SUBSEQUENT BLANKING OF FLIGHT DECK SCREENS. CREW DETECTED ELEC SMELL IN FLIGHT DECK MOMENTARILY & IN FWD CABIN ON DESCENT. FLIGHT RETURNED TO DXB. 160,000 LBS FUEL DUMPED. INSPECTIONS CARRIED OUT IAW AMM 05-51-50, NO OBVIOUS ODORS, FUMES ETC NOTED DURING APU BLEED OPERATION. ALL FAN & CABIN EQUIPMENT ITEMS OPERATE OK, NO FURTHER FUMES, OR ODORS NOTED.