What was found
ON DESCENT, FLAP AND ADVANCED STALL WARNING LIGHTS ILLUMINATED ALONG WITH CONTROL FAULT LIGHT AND SECOND ROW OUTBOARD FLAP LIGHTS ON FLAP PANEL. FOLLOWED QRH AND RESET, WARNINGS CORRECTED. AFTER LANDING ALL WARNINGS RETURNED AND WOULD NOT RESET. REMOVED AND REPLACED FLAP CONTROL UNIT (P/N 3075001007), (S/N 0287). CYCLED FLAPS SEVERAL TIMES, ALL INDICATIONS NORMAL.