TM 1-1520-238-23 Change 3 B-37 (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 021650 DOOR INSTALLATION INSPECT 0.1 376 ASSEMBLY REPAIR 0.2 021651 DOOR, ACCESS INSPECT 0.1 377 REMOVE 0.3 INSTALL 0.3 REPAIR 1.0 021652 FAIRING INSTALLATION INSPECT 0.1 376 ASSEMBLY REPAIR 0.3 021653 FAIRING, ROTOR, INSPECT 0.3 376 AIRCRAFT REMOVE 0.5 INSTALL 0.5 REPAIR 0.7 021654 FAIRING INSPECT 0.1 376 REPAIR 0.3 021655 FAIRING, ROTOR, INSPECT 0.1 376 AIRCRAFT REMOVE 0.5 INSTALL 0.5 REPAIR 1.1 021656 FAIRING ASSEMBLY INSPECT 0.2 376 REMOVE 0.2 INSTALL 0.2 REPAIR 0.5 021657 FAIRING, FUSELAGE, INSPECT 0.1 376 AIRCRAFT REMOVE 0.2 INSTALL 0.2 REPAIR 0.6 021658 DOOR, ACCESS REMOVE 0.3 377 INSTALL 0.3 REPAIR 0.5 021659 FAIRING, AMMO FEED INSPECT 0.1 376 REMOVE 0.1 INSTALL 0.1 REPAIR 0.4