What was found
FLIGHT CREW REPORTED FLAP SYS FAIL INDICATION ON APPROACH. FOUND RT WING NR 3 FLAP ACTUATOR TO BE EXTENDED IN EXCESS OF 0.5 INCHES TOO FAR IN ALL FLAP POSITIONS. REPLACED THE NR 3 RT FLAP ACTUATOR WITH A REPAIRED ACTUATOR AND RIGGED THE FLAP SYS AS REQUIRED, OPERATIONAL TESTS NORMAL. FAILED ACTUATOR REPAIRED BY MFG FACILITY 4/10/2008. RECOMMEND AIRFRAME AND ACTUATOR MFG INVESTIGATE COMPONENT CLOSELY AT TEAR-DOWN TO SEE IF CAUSED BY A REPAIR FACILITY Q/C ISSUE (REF SB 27-3647) OR IF A REOCCURING DESIGN PROBLEM.