TM 5-3810-306-24P
3. Explanation of Columns (Sections II and III). - (Continued)
Code
Application/Explanation
D
-
Depot level can remove, replace, and use the item.
(b) The maintenance code entered in the 4th 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.
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