TM 1-1730-227-13&P
0031 00
EXPLANATION OF COLUMNS IN THE REPAIR PARTS LIST AND SPECIAL TOOLS LIST WORK PACKAGES
CONTINUED
Continued
Source Code
Application/Explanation
XD
Item is not stocked. Order an XD-coded item through
local purchase or normal supply channels using the
CAGEC and P/N given, if no NSN is available.
NOTE
Cannibalization or controlled exchange, when authorized, may be used as a source of supply
for items with the above source codes except for those items source coded "XA" or those
aircraft support items restricted by requirements of AR 750-1.
Maintenance Code. Maintenance codes tell you the level(s) of maintenance authorized to use and repair support
items. The maintenance codes are entered in the third and fourth positions of the SMR code as follows:
Third Position. The maintenance code entered in the third position tells you the lowest maintenance level autho-
rized to remove, replace, and use an item. The maintenance code entered in the third position will indicate authoriza-
tion to the following levels of maintenance:
Maintenance Code
Application/Explanation
C-
Crew or operator maintenance done within Field
maintenance.
O-
Service/AMC maintenance can remove, replace,
and use the item.
F-
Field/ASB maintenance can remove, replace,
and use the item.
H-
Below depot sustainment can remove, replace,
and use the item.
L-
Specialized repair activity or TASMG can
remove, replace, and use the item.
D-
Depot can remove, replace, and use the item.
Fourth Position. The maintenance code entered in the fourth position tells you whether or not the item is to be re-
paired and identifies the lowest maintenance level with the capability to do complete repair (perform all authorized re-
pair 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.
Maintenance Code
Application/Explanation
O-
Service/AMC is the lowest level that can do complete
repair of the item.
F-
Field/ASB is the lowest level that can do complete
repair of the item.
0031 00-3
