As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN CONFIGURING FOR APPROACH AND LAND INTO DENVER FLAPS FAIL CAUTION MESSAGE WHEN SELECTING FLAP 8. FLAPS WERE AT 0 FOR APPROACH, LANDED AT 42700 LBS AND AT 100 PFM VSI. FLIGHT 5791. INSTALLED NEW RH BPSU IN REF WITH AMM. OPS CHECK GOOD AT THIS TIME. FLAP FAIL MESSAGE NO LONGER PRESENT AND FLAPS ABLE TO DEPLOY TO ALL POSITIONS.