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 TM 55-1905-242-24P
0001 00
Maintenance
Code
Application/Explanation
C
Crew or operator maintenance done within the unit/AVUM maintenance.
O
Unit level/AVUM maintenance can remove, replace, and use the item.
F
Direct support/AVIM maintenance can remove, replace, and use the item.
H
General support maintenance can remove, replace, and use the item.
L
Specialized repair activity can remove, replace, and use the item.
D
Depot can remove, replace, and use the item.
Fourth Position. The maintenance code entered in the fourth position tells you whether or not the item is to be repaired and
identifies the lowest maintenance level with the capacity to do complete repair (perform all authorized repair functions).
NOTE
Some limited repair may be done on the item at a lower level of maintenance, if authorized by the Main-
tenance Allocation Chart (MAC) and SMR codes.
Maintenance
Code
Application/Explanation
O
Unit/AVUM is the lowest level that can do complete repair of the item.
F
Direct support/AVIM is the lowest level that can do complete repair of the item.
H
General support is the lowest level that can do complete repair of the item.
L
Specialized repair activity (repair activity designator) is the lowest level that can do complete repair
of the item.
D
Depot is the lowest level that can do complete repair of the item.
Z
Nonrepairable. No repair is authorized.
B
No repair is authorized. No parts or special tools are authorized for the maintenance of "B" coded
item. However, the item may be reconditioned by adjusting, lubricating, etc., at the user level.
Recoverability Code. Recoverability codes are assigned to items to indicate the disposition action on unserviceable items.
The recoverability code is shown in the fifth position of the SMR code as follows:
Recoverability
Code
Application/Explanation
Z
Nonreparable item. When unserviceable, condemn and dispose of the item at the level of mainte
nance shown in the third position of the SMR code.
O
Reparable item. When uneconomically reparable, condemn and dispose of the item at the unit level.
F
Reparable item. When uneconomically reparable, condemn and dispose of the item at the direct
support level.
H
Reparable item. When uneconomically reparable, condemn and dispose of the item at the general
support level.
0001 00-3
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