TM 1-1520-238-23 B-12 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 020201 BOW BEAM, LH INSTALLATION REPAIR 1.1 0.5 27, 154, 199, 262, 376, 377, 446 020202 BOW BEAM, RH INSTALLATION REPAIR 1.3 27, 154, 199, 262, 376, 377, 446 020203 STRUCTURE, INSTALLATION REPAIR 0.2 27, 154, 262, 376 A, D, I, J, K, U, AD, AF 020204 PANEL INSTALLATION ASSEMBLY REPAIR 0.5 27, 154, 262, 376 020205 HANDLE ASSEMBLY, REMOVE 0.1 27, 154, CANOPY INSTALL 0.1 262, 376 020301 STRUCTURE ASSEMBLY REPAIR 0.6 4.9 377 020302 DOOR ASSEMBLY INSTALLATION, REFUEL PANEL REPAIR 0.2 377 020303 DOOR, ACCESS REMOVE 0.2 377 INSTALL 0.2 REPAIR 0.7 020304 DOOR REPAIR 0.3 377 020305 DOOR, AIRFRAME REMOVE 0.3 377 A, D, I, J, INSTALL 0.3 U REPAIR 0.6 020306 COVER, ACCESS REMOVE 0.2 377 INSTALL 0.2 REPAIR 0.6 020307 DOOR INSTALLATION REPAIR 0.3 377 020308 FOOTSTEP ASSEMBLY INSTALLATION REPAIR 0.7 376 020309 FOOTSTEP ASSEMBLY INSTALLATION REPAIR 0.7 376