TM 9-1005-237-23&P
C-3. EXPLANATION OF COLUMNS (SECTIONS II AND III). (cont)
(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
Intermediate direct support or aviation intermediate is the
lowest level that can do complete repair of the item.
H
Intermediate general support 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. (No parts or special tools are author-
ized 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 enter-
ed in the fifth position of the SMR Code as follows:
Recoverability
Codes
Application/Explanation
z
Nonreparable item. When unserviceable., condemn and dispose of
the item at the level of maintenance shown in 3d position of SMR
Code.
O
Reparable item. When uneconomically reparable, condemn and dis-
pose of the item at organizational or aviation unit level.
F
Reparable item. When uneconomically reparable, condemn and dis-
pose of the item at intermediate direct support or aviation.
intermediate level.
H
Reparable item. When uneconomically reparable, condemn and dis-
pose of the item at intermediate general support level.
C-4