83 03-APR-2007 737-27A1287 FLIGHT CONTROLS - SPOILER. DRAG DEVICES. AND VARIABLE AERODYNAMIC FAIRINGS - LEFT AND RIGHT WING FLIGHT SPOILERS SHORT FIELD PERFORMANCE ACTUATOR REPLACEMENT. SERVICE BULLETIN MOS 18-OCT-2007 RUDDER FEEL AND CENTERING UNIT - INSPECTION AND REPLACEMENT OF SPRING ASSEMBLY. SERVICE BULLETIN NOT APPLICABL