TM 10-8415-210-13&P
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 700-42.
(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 the support item. The maintenance code entered in the third position will indicate
authorization to one of the following levels of maintenance.
Code
Application/Explanation
C
Crew or operator maintenance done within organizational 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.
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 (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.
C-3
