3. EXPLANATION OF COLUMNS (SECTIONS
(b) The maintenance code entered in
the fourth position tells whether or not the
item is to be repaired and identifies the low-
est maintenance level with the capability to
do complete repair (i.e., perform all authorized
repair functions). (NOTE: Some limited repair
II AND Ill) (CONT)
may be done on the item at a lower level of
maintenance, if authorized by the Mainte-
nance Allocation Chart (MAC) and SMR
codes.) This position will contain one of the
following maintenance codes:
Unit or aviation unit is the lowest level that can do com-
plete repair of the item.
Direct support or aviation intermediate is the lowest level
that can do complete repair of the item.
General support is the lowest level that can do complete
repair of the item.
Specialized repair activity is the lowest level that can do
complete repair of the item.
Depot is the lowest level that can do complete repair of
Nonreparable. No repair is authorized.
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 posi-
tion of the SMR code as follows: