Maintenance Code - TM-55-4920-415-13-P0027

TM 55-4920-415-13&P

Code

Definition

NOTE

Item procured and stocked to provide for

Cannibalization or salvage may be

sustained support for the life of the equipment.

used as a source of supply for

It is applied to an item peculiar to the equipment

any items source coded above

which, because of probable discontinuance or

except those coded XA and

shutdown of production facilities, would prove

aircraft

support

items

uneconomical to reproduce at a later time.

restricted by AR 700-42.

An item of a depot overhaul/repair kit and not

(2) Maintenance Code. Maintenance codes

purchased separately. Depot kit defined as a kit

are assigned to indicate the levels of maintenance

that provides items required at the time of

authorized to USE and REPAIR support items. The

overhaul or repair.

maintenance codes are entered in the third and fourth

positions of the Uniform SMR Code format as follows:

An item of a maintenance kit and not purchased

separately. Maintenance kit defined as a kit that

(a) The maintenance code entered in

provides an item that can be replaced at

the third position will indicate the lowest maintenance

Aviation Unit or Aviation Intermediate levels of

level authorized to remove, replace and use the support

maintenance.

item. The maintenance code entered in the third

position will indicate one of the following levels of

Item included in both a depot overhaul/repair kit

maintenance:

and a maintenance kit procured on demand.

Code

Application/Explanation

Item to be manufactured or fabricated at the

Support item is removed, replaced, used at the

Aviation Unit Maintenance level.

Item to be manufactured or fabricated at the

Support item is removed, replaced, used at the

Aviation Intermediate maintenance level.

Aviation Intermediate Maintenance level.

Item to be manufactured or fabricated at the

Support items that are removed, replaced,

depot maintenance level.

used at depot, mobile depot, specialized repair

activity only.

Item to be assembled at the Aviation Unit

Maintenance level.

(b) The maintenance code entered in

the fourth position indicates whether the item is to be

Item to be assembled at

the

Aviation

repaired and identifies the lowest maintenance level

Intermediate Maintenance level.

with the capability to perform complete repair (i.e., all

authorized maintenance functions). This position will

Item to be assembled at depot maintenance

contain one of the following maintenance codes:

level.

Code

Application/Explanation

Item is not procured or stocked because the

requirements for the item will result in the

The lowest maintenance level capable of

replacement of the next higher assembly.

complete repair of the support item is the

Aviation Unit Maintenance level.

Item is not procured or stocked. If not available

through salvage, requisition.

The lowest maintenance level capable of

complete repair of the support item is the

A support item that is not stocked. When

Aviation Intermediate Maintenance level.

required, item will be procured through normal

supply channels.

The lowest maintenance level capable of

complete repair of the support item is the depot

Installation drawing, diagram, instruction sheet,

level.

field service drawing, that is identified by

manufacturer's part number.

Repair restricted to designated specialized

repair activity.

C-2