F THE MAIN LANDING GEAR. SERVICE LETTER INFORMATIONAL MOS 09-MAR-2010 SI. 737-SL-32-167 INSTALLATION OF TITANIUM PROXIMITY SENSOR P/N 80-207-01 ON WING LEADING EDGE AND LANDING GEAR INFORMATIONAL (SUPERSEDED BY SL 737-SL-32-167 REV. A). SERVICE LETTER MOS 31-MAR-2010 SI. 737-SL-32-167 REV. A INSTALLATION O