TM11-6625-3087-24P
--If an "XB" item is not available from
XB
salvage, order it using the FSCM and
part number given.
--Do not requestion an "XA" coded item.
XA
Order its next higher assembly.
--Item is not stocked. Order an "XD" coded
XD
item through normal supply channels
using the FSCM and part number 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 those source coded XA or those aircraft
support items as restricted by requirements of AR 750-1.
Maintenance codes tell you the category of
(2) Maintenance Code.
The maintenance codes
maintenance authorized to USE and REPAIR support items.
are entered in the third and fourth positions of the SMR Code as follows:
(a) The maintenance code entered in the third position tells you
the lowest maintenance category authorized to remove, replace, and use an item.
The maintenance code entered in the third position will indicate authorization
to one of the following categories of maintenance:
4