TM 5-3810-307-24P
(a)
The maintenance code entered in the 3rd position tells you the lowest maintenance
level authorized to remove, replace, and use an item. The maintenance code entered in the 3rd
position will indicate authorization to one of the following levels of maintenance.
Code
Application/Explanation
Field Support:
C-
Crew or operator maintenance done within organization or aviation unit maintenance.
O-
Organizational or aviation unit category can remove, replace, and use the item.
F-
Direct support or aviation intermediate level can remove, replace, and use the item.
Sustainment:
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 4th 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.) (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 (designate the 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-
Nonrepairable. 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 recoverability code is entered in the 5th position of the SMR
Code as follows:
Recoverability
Application/Explanation
Codes
Z-
Nonrepairable item. When unserviceable, condemn and dispose of the item at
the level of maintenance shown in 3rd position of SMR Code.
O-
Repairable item. When uneconomically repairable, condemn and dispose of the
item at organizational or aviation unit level.
F-
Repairable item. When uneconomically repairable, condemn and dispose of the
item at the direct support or aviation intermediate level.
H-
Repairable item. When uneconomically repairable, condemn and dispose of the
item at the general support level.
D-
Repairable item. When beyond lower level repair capability, return to depot.
Condemnation and disposal of item not authorized below depot level.
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