As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DESCENT, CREW SELECTED AND RECEIVED FLAPS 8 DEGREES, WHEN THEY ATTEMPTED TO PROCEED TO FLAPS 20 CREW RECEIVED A FLAP FAIL MESSAGE. FLIGHT LANDED WITHOUT INCIDENT. FECU MESSAGE POINTED TO THE RT BPSU AS THE FAULT. THE RT BPSU WAS REPLACED, FLAP SYSTEM RIGGED AND FUNCTION CHECKED SERVICEABLE. THE A/C RETURNED TO SERVICE WITH NO FURTHER FAULTS.