As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT FWD FUEL PUMP "LOW PRESSURE" LIGHT ILLUMINATED IN CRUISE FLIGHT. RIGHT WING TANK WAS FULL. COMPLIED WITH QRH AND TURNED PUMP OFF. ACFT GROUNDED. FOUND GFI RELAY, R21, TRIPPED. RESET RELAY. PERFORMED GROUND FAULT INTERRUPTER OPS TEST REF MM 28-22-41-720-802. OPS CK GOOD IAW THE SAME.