TM 10-4320-344-24P-3
Code
Applicatlon/Explanation
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.
3.2.1.2. Maintenance Code Fourth Position. 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
-Unit 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
-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.
3.2.3. Recoverablity 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.
0
-Reparable item. When uneconomically reparable,
condemn and dispose of the item at unit or
aviation unit level.
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