TM 1-1520-238-23 Change 3 B-77 (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 060109 SHAFT, SHOULDERED REMOVE 0.9 22, 372, INSTALL 0.9 441 REPAIR 0.3 060110 SHAFT, DRIVE, FLEXIBLE REMOVE 0.6 11, 22, 27, 147, INSTALL 0.6 , , 154, 262, REPAIR 0.3 372, 441, 445 060111 DAMPER ASSEMBLY, ADJUST 0.6 11, 22, FORWARD DRIVE REMOVE 1.0 372, 434, INSTALL 1.0 435, 445 REPAIR 0.9 1.2 06011101 BRACKET, MOUNTING REMOVE 0.3 27, 33, 154, 175, INSTALL 0.3 , , 199, 262, REPAIR 0.8 372, 435, 445 060112 DAMPER ASSEMBLY, AFT ADJUST 0.6 27, 33, DRIVE REMOVE 1.3 154, 175, INSTALL 1.3 199, 262, 272, 372, REPAIR 0.9 1.2 , , 435, 445 060113 SUPPORT ASSEMBLY, DRIVE REMOVE 0.7 27, 33, 154, 175, INSTALL 0.7 199, 262, 372, 435, 445 06011301 BRACKET, MOUNTING REMOVE 0.3 27, 33, 154, 175, E INSTALL 0.3 , , 199, 262, REPAIR 0.8 372, 435, 445 060114 ANTI-FLAIL ASSEMBLY, TAIL REMOVE 1.3 27, 33, 154, 175, INSTALL 1.3 199, 262, 272, 372, 435, 445