F THE GROUNDING JUMPER TO THE RAM AIR INLET ACTUATOR. SERVICE LETTER RECOMMENDED MOS 03-MAR-2014 SI. 737-SL-21-099 SMART RAM AIR DOOR ACTUATOR (SRADA) - RAM AIR DOOR STATUS LIGHT ILLUMINATION - SUSPECT CONNECTOR SUPERSEDED BUILD (SUPERSEDED 8Y SI. 737-SL-21-099 REV. A). SERVICE LETTER MOS SI.