TM 10-9925-100-12&P
0018 00
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 750-1.
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:
Third Position. 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.
Maintenance Code
Application/Explanation
C
Crew or operator maintenance done within unit/AVUM maintenance.
O
Unit level/AVUM maintenance can remove, replace, and use the item.
F
Direct support/AVIM maintenance can remove, replace, and use the item.
H
General support maintenance 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.
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 MAC and SMR codes.
Maintenance
Application/Explanation
Code
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.
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.
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:
0018 00-3
