As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. RIGHT AFT FUEL PUMP LOW PRESSURE LIGHT CAME ON AT CRUISE. FLIGHT CREW TURNED PUMP OFF PER PROCEDURE. MAINTENANCE FOUND CIRCUIT BREAKER C828 FOR TANK 2 AFT BOOST PUMP OPEN AND REPLACED IT PER SWPM 20-30-00. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.