TM 1-2840-24823P
T.O. 2J-T700-4
NOTE
Cannibalization or controlled exchange, when authorized, may be used as a source of supply for
items with the above source codes, except for those source coded "XA" or those aircraft support
items restricted by requirements of AR 700-1
(2)
Maintenance Code. Maintenance codes tell you the level(s) of maintenance authorized to USE and
REPAIR support items. The maintenance codes are entered in the third and fourth positions of the SMR code as follows:
(a) The maintenance code entered in the third position tells you the lowest maintenance level authorized to remove,
replace, and use an item. The maintenance code entered in the third position will indicate authorization to one of the
following levels of maintenance.
Code
Application/Explanation
O-
Unit level/Aviation unit (AVUM) level can remove, replace, and use the item.
F-
Direct Support/Aviation intermediate (AVIM) 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 you 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). This position will contain one of the following maintenance codes.
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.
Code
Application/Explanation
O-
Unit/AVUM is the lowest level that can do complete repair of the item.
F-
Direct Support/AVIM 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. However, the item may be reconditioned by
adjusting, lubricating, etc., at the user level. No parts or special tools are
authorized for the maintenance of a "B" coded item.
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