TM 10-8400-201-23
1-8. SOURCE, MAINTENANCE AND RECOVERABILITY (SMR) CODES - Continued
CODE
EXPLANATION
AL
Item to be assembled at the SRA.
AD
Item to be assembled at depot maintenance category.
XA
Item is not procured or stocked, because the requirements for the item will result in the replacement of the next
higher assembly.
XB
Item is not procured or stocked. If not available through salvage, requisition.
XC
Installation drawing, diagram, instruction sheet, field service drawing, that is identified by manufacturer's part
number.
XD
A low mortality support item that is not stocked. When required, items will be requested and provided through
normal supply channels.
b.
Maintenance Use Code (third position). This position will indicate the lowest maintenance category authorized to
remove, replace, and use the support item. The maintenance use entered in the third position will indicate one of the
following categories of maintenance.
CODE
EXPLANATION
O
Support item is removed, replaced, and used at organizational (or AVUM/ON-SITE) category of maintenance.
F
Support Item is removed, replaced, and used at direct support (or AVIM/OFF-SITE) category of maintenance.
H
Support item is removed, replaced, and used at general support (or AVIM/OFF-SITE) category of maintenance.
D
Support item is removed, replaced, and used only at depot.
c.
Maintenance Repair Code (fourth position). This position will indicate whether or not the item is to be repaired, and
will identify the lowest category with the capability to perform complete repair. This complete repair excludes
overhaul or rebuild functions prescribed by Depot Maintenance Work Requirements(DMWR), but encompasses
performing all other authorized maintenance functions, services (inspect, test, service adjust, align, calibrate), or
actions (welding, grinding, riveting, straightening, facing, remachining, or resurfacing) required to restore an item to
serviceable condition by correcting specific failures or damage. Complete repair coding does not preclude repair
which may be authorized to a lower category of maintenance. The MRC entered in the fourth position will indicate
one of the following:
CODE
APPLICATION/EXPLANATION
O
The unit (AVUM/ON-SITE) category of maintenance is the lowest level capable of complete repair.
F
The IDS (AVIM/OFF-SITE) category of maintenance is the lowest level capable of complete repair.
H
The IGS (AVIM/OFF-SITE) category of maintenance is the lowest level capable of complete repair.
L
The SRA is the lowest activity capable of complete repair.
Change 5 1-22
