TM 10-1670-277-23&P
0057 00
0057 00-4
Fourth position. The maintenance code entered in the fourth position tells you whether or not the
item is to be repaired and identifies the lowest maintenance level with the capability to do complete
repair (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 code.
MAINTENANCE CODE
APPLICATION/ EXPLANATION
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 -
Non-repairable. 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:
RECOVERABILITY CODE
APPLICATION/EXPLANATION
Z -
Non-repairable item. When unserviceable,
condemn and dispose of the item at the level of
maintenance shown in the third position of the
SMR Code.
