TM 5-4520-253-23P
F -Direct support or aviation intermediate level can remove, replace, and
use the item.
H -General support level can remove, replace, and use the item
L -Specialized repair activity can remove, replace, and use the item.
D -Depot level 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 the 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 Code, Recoverability codes are assigned to items to indicate the disposition
action on unserviceable items. The recoveralibility 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 3d position of SMR Code.
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