TM 1-1520-238-23 B-94 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 0702070602 TUBE ASSEMBLY, METAL REPAIR 4.8 27, 129, 154, 384, 393 R, AM 0702070603 TUBE ASSEMBLY, METAL REPAIR 4.7 27, 129, 154, 384, 393 R, AM 0702070604 TUBE ASSEMBLY, METAL REPAIR 4.7 27, 129, 154, 384, 393 R, AM 07020707 TUBE ASSEMBLY, METAL REPAIR 4.6 27, 129, 154, 384, 393 R, AM 07020708 TUBE ASSEMBLY, METAL REPAIR 5.0 27, 129, 154, 384, 393 R, AM 0702070901 TUBE ASSEMBLY, METAL REPAIR 4.5 27, 129, 154, 384, 393 R, AM 0702070902 TUBE ASSEMBLY, METAL REPAIR 4.5 27, 129, 154, 384, 393 R, AM 0702070903 TUBE ASSEMBLY, METAL REPAIR 4.7 27, 129, 154, 384, 393 R, AM 0702070904 TUBE ASSEMBLY, METAL REPAIR 4.7 27, 129, 154, 384, 393 R, AM 0702070905 TUBE ASSEMBLY, METAL REPAIR 4.5 27, 129, 154, 384, 393 R, AM 0702070906 TUBE ASSEMBLY, METAL REPAIR 4.5 27, 129, 154, 384, 393 R, AM 0702070907 TUBE ASSEMBLY, METAL REPAIR 4.5 27, 129, 154, 384, 393 R, AM