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TM 9-4120-389-24P
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 (MAC) and SMR codes. This position will contain one of the following maintenance codes.
Code
Application/Explanation
O - Organizational or (aviation unit) is the lowest level that can do complete repair of the item.
F - Direct support or aviation intermediate 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 "B" coded item.
However, the item may be reconditioned by adjusting, lubricating, etc., at the user level.
(3) Recoverability. 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
Codes
Application/Explanation
Z - Nonreparable item. When unserviceable, condemn and dispose of the item at the level of maintenance
shown in 3rd position of SMR Code.
O - Reparable item. When not economically reparable, condemn and dispose of the item at organizational
or aviation unit level.
F - Reparable item. When uneconomically reparable, condemn and dispose of the item at the direct
support or aviation intermediate 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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