The maintenance code entered in the fourth position tells whether or not the item is to be repaired and
Identifies the lowest maintenance category with the capability to do complete repair (i.e., perform all authorized repair
functions). This position will contain one of the following maintenance codes.
Some limited repair may be done on the item at a lower category of maintenance, if authorized by the
Maintenance Allocation Chart (MAC) and SMR codes.
Organizational or aviation unit is the lowest category that can do complete repair of the item.
Direct support or aviation intermediate is the lowest category that can do complete repaire of the item.
General support is the lowest category that can do complete repair of the item.
Specialized repair activity (designate the specialized repair activity) is the lowest category that can do
complete repair of the item.
Depot is the lowest category that can do complete repair of the item.
Nonreparable. No repair is authorized.
No repair is authorized. (No parts or special tools are assigned for the maintenance of a "B" coded item.)
However, the item may be reconditioned by adjusting, lubricating, etc., at the user category.
Recoverability code. Recoverability codes are as- signed 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:
Nonreparable item. When unserviceable, condemn and dispose of the item at the category of maintenance
shown in the third position of SMR code.
Reparable item. When uneconomically reparable, condemn and dispose of the item at organizational
or aviation unit category.