TM 5-2350-377-13&P
0054
EXPLANATION OF COLUMNS IN THE REPAIR PARTS LIST AND SPECIAL TOOLS LIST WORK
PACKAGES - Continued
Table 2. Source Code First and Second Position - Continued.
SOURCE CODE
APPLICATION/EXPLANATION
AF-Assembled by field
Items with these codes are not to be requested/
AH-Assembled by below depot sustainment level
requisitioned individually. The parts that make up
AL-Assembled by SRA
the assembled item must be requisitioned or
AD-Assembled by depot
fabricated and assembled at the level of
maintenance indicated by the source code. If the
third position of the SMR code authorizes you to
replace the item, but the source code indicates the
item is assembled at a higher level, order the item
from the higher level of maintenance.
XA
Do not requisition an "XA" coded item. Order the
next higher assembly. (Refer to NOTE below.)
XB
If an item is not available from salvage, order it
using the CAGEC and part number.
XC
Installation drawings, diagrams, instruction
sheets, field service drawings; identified by
manufacturer's part number.
XD
Item is not stocked. Order an XD-coded item
through local purchase or normal supply channels
using the CAGEC and part number given, if no
NSN is available.
NOTE
Cannibalization or controlled exchange, when authorized, may be used as a source of sup-
ply 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:
Table 3.
Maintenance Code Third Position.
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.
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