What was found
UPON DEPARTURE FROM PSP FLAPS WERE SELECTED TO THE UP POSITION AS USUAL. FLAPS FAIL AMBER CASS MESSAGE CAME UP INDUCTIONS SHOWED FLAPS WERE STUCK IN THE FLAPS 1 POSITION. POSITION CONFIRMED VISUALLY OUTSIDE. QRH COMPLETED WITH NO SUCCESS. FLAPS CURRENTLY REMAIN IN 1 POSITION. REMOVED FAILED FLAP CONTROLLER P/N:8909324-5 S/N:0166 DUE TO "FLAPS FAIL AMBER CAS MESSAGE" AND INSTALLED A CUSTOMER SUPPLIED REPAIRED FLAP CONTROLLER P/N:8999324-1 S/N:0307. FLAP MOVEMENT CHECK GOOD. OPERATIONAL CHECK GOOD. ALL WORK COMPLIED WITH IN REF TO CE680A AMM 27-50-25.