TM 9-2350-261-24P
(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
C
Crew or operator maintenance done within unit maintenance or avia-
tion unit maintenance.
O
Unit maintenance or aviation unit category can remove, replace and
use the item.
F
Direct support or aviation 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
Unit maintenance or aviation unit is the lowest level that can do
complete repair of the item.
F
Direct support or aviation 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 (SRA) (designate the specialized repair ac-
tivity) 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.
(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:
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