What was found
RECIEVED FLAPS FAIL CAUTION MESSAGE IMMEDIATELY FOLLOWING INITIAL DESCENT FROM FL 300. RAN QRH. LANDED FLAPS ZERO DEGREES. NO OTHER ISSUES NOTED. LANDING WAS UNEVENTFUL. PERFORMED FLAP RESET PROCEDURE IAW AWA SUPP. 98-018G BOX 12. FLAPS RESET. PLACARDED AND PLACED ON MEL. COMPLETED INSTALLATION OF RH BPSU IAW AMM 27-51-10-420-013, PERFORMED RIGGING OF RH BPSU IAW AMM 27-51-10, OPS CHECK GOOD, NO MESSAGES PRESENT AT THIS TIME