Maintenance Code - TM-10-3930-668-24P0008

TM 10-3930-668-24P

EXPLANATION OF COLUMNS (SECTION II) (CONT).

XC-

Installation drawing, diagram, instruction sheet, field service drawing, that is identified by manufacturer's part

number.

XD-

Item is not stocked. Order an "XD"-coded item through 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 supply for

items with the above source codes, except for those coded "XA".

(2)

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:

(a)

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 one of the following levels of maintenance.

Code

Application/Explanation

Crew or Operator Maintenance done with Unit Maintenance.

Unit can remove, replace, and use the item.

Direct Support level can remove, replace, and use the item.

General Support level can remove, replace, and use the item.

Specialized Repair Activity can remove, replace, and use the item.

Depot level can remove, replace, and use the item.

(b)

The maintenance code entered in the fourth position indicates whether the item is to be repaired

and identifies the lowest maintenance level with the capability to perform complete repair (i.e.,

all authorized maintenance 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.) This position will contain on of the following maintenance codes:

Code

Application/Explanation

Unit is the lowest level that can do complete repair of the item.

Direct Support is the lowest level that can do complete repair of the item.

General Support is the lowest level that can do complete repair of the item.

Specialized Repair Activity is the lowest level that can do complete repair of the item.

Depot level is the lowest level that can do complete repair of the item.

Nonreparable. No repair is authorized.