EXPLANATION OF COLUMNS IN THE REPAIR PARTS LIST AND SPECIAL TOOLS LIST WORK
PACKAGES - Continued
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 authorized
to remove, replace, and use an item. The maintenance code entered in the third position will indicate authorization
to the following levels of maintenance:
Maintenance Code
Application/Explanation
F-
Field maintenance can remove, replace, and use the item.
H-
Below Depot Sustainment maintenance can remove, replace, and use the item.
L-
Specialized repair activity can remove, replace, and use the item.
G-
Afloat and ashore intermediate maintenance can remove, replace, and use the item.
(Navy only)
K-
Contractor facility can remove, replace, and use the item.
Z-
Item is not authorized to be removed, replaced, or used at any maintenance level.
D-
Depot can remove, replace, and use the item.
NOTE - Army use C in the third position. However, for joint service publications, Army will use O.
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).
TM 9-2320-272-24P-1
0001
0001-3