TM 10-4610-243-23P
(a) The maintenance code entered in the third position tells you the lowest maintenance level authorized
to remove, replace, and use an item. The maintenance code entered in the third position will indicate
authorization to the following levels of maintenance.
Maintenance
Application/Explanation
Code
C
-
Crew or operator maintenance done within 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.
(b) The maintenance code entered in the fourth position tells whether or not the item is to be repaired
and identifies the lowest maintenance level with the capability to do complete repair (i.e., perform all authorized
repair functions.)
NOTE
Some limited repair may be done on an item at a lower level of maintenance, if
authorized by the Maintenance Allocation Chart and SMR codes.
Maintenance Application/Explanation
Code
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 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
-
Nonreparable. No repair is authorized.
B
-
No repair is authorized. No parts or special tools are authorized for the maintenance of a WB5
coded item. However, the item may be reconditioned by adjusting, lubricating, etc., at the user
level.
(3) Recoverability Code. Recoverability codes are assigned to items to indicate the disposition action
on unserviceable items. The recoverability code is entered in the fifth position of the SMR Code as follows:
Recoverability
Application/Explanation
Codes
Z
-
Nonreparable item. When unserviceable, condemn and dispose of the item at the level of
maintenance shown in 3d position of SMR Code.
O
-
Reparable item. When not economically reparable, condemn and dispose of the item at unit or
AVUM level.
F
-
Reparable item. When uneconomically reparable, condemn and dispose of the item at the
direct support or AVIM level.
H
-
Reparable item. When uneconomically reparable, condemn and dispose of the item at the
general support level.
D
-
Reparable item. When beyond lower level repair capability, return to depot. Condemnation
and disposal of item not authorized below depot level.
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