TM 1-1520-238-23 B-176 Change 3 (1) (6) (5) (4) (3) (2) MAINTENANCE LEVEL GROUP NUMBER REMARKS CODE TOOLS & EQUIP REF CODE DEPOT (D) AVIM (F) AVUM (O) MAINTENANCE FUNCTION COMPONENT/ASSEMBLY 160108 BRACKET ASSEMBLY, REMOVE 0.4 227, 378 STOW INSTALL 0.4 REPAIR 1.0 160109 CIRCUIT CARD REMOVE 0.2 27, 154, W, AN ASSEMBLY INSTALL 0.2 258, 262, REPAIR 2.0 333, 378 160110 FRAME ASSEMBLY, REMOVE 0.5 27, 154, PYLON INSTALL 0.5 262, 373, 376  378 REPAIR 0.7 , , 441, 447 160111 BRACKET, UPPER STRUT REMOVE 0.5 378 INSTALL 0.5 1602 WINTERIZATION SYSTEM REPAIR 1.1 376 160201 BLANKET, REMOVE 0.4 378 HEATER-BATTERY INSTALL 0.4 1603 SUPPORT, CHAFF DISPENSER REPAIR 0.1 376