What was found
EN ROUTE AT FL230 CONTROL FAULT LIGHT ILLUMINATED, WOULD NOT RESET. WEIGHTED FLAP AVERAGE WAS ZERO. LANDED WITH 0 DEGREES FLAPS. FOUND RIGHT HAND OUTBOARD FLAP ACTUATOR EXTERNAL READING AT 820-R. REMOVED AND REPLACED ACTUATOR. OPS CHECKS ACTUATOR IAW 27-50-00 RI I 27-307 P/N ON 3203001007, S/N ON 0315, S/N OFF 0971. REMOVED AND REPLACED FLAP ANNUNCIATOR. OPS CHECK GOOD. P/N ON 3069001005, S/N ON 0037, S/N OFF 0010. FOUND INCORRECT (SOFTWARE LEVEL) FCU INSTALLED, REMOVED AND REPLACED OPS CHECK GOOD WITH NO FAULT FOUND ON GROUND IAW. P/N ON 307500-1007, S/N ON 0092, S/N OFF 0181.