TM 1-1520-238-23 B-20 Change 5 (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 020515 RAIL ASSEMBLY, FLOOR INSPECT 0.1 377 REMOVE 0.1 INSTALL 0.1 REPAIR 0.6 020516 BRACKET ASSEMBLY, REMOVE 0.6 376 DECK INSTALL 0.6 REPAIR 0.3 020517 BRACKET ASSEMBLY REMOVE 0.5 376 INSTALL 0.5 REPAIR 0.4 020518 STRUCTURAL INSTALLATION REPAIR 1.7 377 020519 DOOR, ACCESS INSPECT 0.2 377 REMOVE 0.6 INSTALL 0.6 REPAIR 1.0 020520 BULKHEAD INSTALLATION ASSEMBLY REPAIR 0.2 377 020521 COVER, ACCESS INSPECT 0.1 377 REMOVE 0.2 INSTALL 0.2 REPAIR 1.0 020522 DOOR, ACCESS INSPECT 0.1 377 REMOVE 0.2 INSTALL 0.2 REPAIR 0.4 020523 DOOR, ACCESS REMOVE 0.2 377 INSTALL 0.2 REPAIR 0.5 020524 PAN ASSEMBLY, DRAIN REMOVE 2.1 376, 377 INSTALL 2.1 REPAIR 0.4