N. COLD WORKING AND FREEZE PLUG INSTALLATION (AIRPLANES THAT COULD NOT BE REPAIRED WITH THE MAXIMUM FREEZE PLUG DIAMETER ALLOWED IN ACCORDANCE WITH BOEING SERVICE BULLETIN 737-53.1303) MOS SB 737-53-1345 TABLE 1.2.1 SB 737-53-1345 TABLE 1.2 .2 AFL ACCOMPLISH FUSELAGE - STRUCTURE MOUND OPENINGS - NUMBER

CENTER WING FUEL TANK REFUEL LINE B-NUT TORQUE. SERVICE LETTER COMPLIED WITH MOS 18-AUG-2009 IS-JUN-2005 3378:04 AFL 812 SL INSTRUCTIONS FOR BOEING SERVICE BULLETIN 737-26-1121. REV 1. SERVICE LETTER ST00936NY-D-26-SL-007 MOS SL ST01384NY-28-SL-001 CENTER WING FUEL TANK REFUEL LINE B-NUT TORQUE. SERV