TM 1-1520-238-23 Change 3 B-45 (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 021918 FOOT GUARD, SEAT, AIRCRAFT REPAIR 1.0 376 021919 FAIRING INSTALLATION ASSEMBLY REPAIR 0.2 376 021920 FAIRING ASSEMBLY REMOVE 0.3 376 INSTALL 0.3 REPAIR 0.5 0220 CATWALK INSTALLATION INSPECT 0.1 376 ASSEMBLY REMOVE 0.4 INSTALL 0.4 REPAIR 0.3 022001 PANEL, STRUCTURAL, SERVICE 0.7 376 AIRCRAFT REMOVE 0.2 INSTALL 0.2 REPAIR 1.2 0.6 022002 PANEL, STRUCTURAL, SERVICE 0.7 376 AIRCRAFT REMOVE 0.3 INSTALL 0.3 REPAIR 1.1 0.6 022003 PANEL, STRUCTURAL, SERVICE 0.7 376 AIRCRAFT REMOVE 0.3 INSTALL 0.3 REPAIR 1.1 0.6 022004 PANEL ASSEMBLY REMOVE 0.2 376 INSTALL 0.2 REPAIR 0.9 0.6 022005 PANEL, STRUCTURAL, SERVICE 0.7 376 AIRCRAFT REMOVE 0.3 INSTALL 0.3 REPAIR 1.2 0.6 022006 PANEL, STRUCTURAL, SERVICE 0.7 376 AIRCRAFT REMOVE 0.2 INSTALL 0.2 REPAIR 0.8 0.6 0221 FAIRING ASSEMBLY, GUN INSPECT 0.1 376