TM5-6350-264-14&P-6
NAVELEX EE181-AA-OMI-07A/E121 DT-545
TO 31S9-2FSS9-1-6
(b) The maintenance code entered in the fourth position tells you 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). (NOTE: 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.) This position will contain one of the following maintenance codes.
Code
Application/Explanation
O
-Organizational or aviation unit is the lowest category that can
do complete repair of the item.
F
-Direct support or aviation intermediate is the lowest category
that can do complete repair of the item.
H
-General support is the lowest category that can do complete
repair of the item
L
-Specialized repair activity (designate the specialized repair
activity) is the lowest category that can do complete repair of the
item.
D
-Depot is the lowest category 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 items) 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 fifth position of the SMR Code as follows:
Recoverability
Definition
Codes
Z
-Nonreparable item. When unserviceable, condemn and
dispose of the item at the category of maintenance shown in 3d
position of SMR Code.
O
-Reparable item. When uneconomically reparable, condemn
and dispose of the item at organizational or aviation unit
category.
F
-Reparable item. When uneconomically reparable, condemn
and dispose of the item at the direct support or aviation
intermediate category.
H
-Reparable item. When uneconomically reparable, condemn
and dispose of the item at the general support category.
Change 1 C-4
