Maintenance Code - TM-9-4120-371-24P0010

TM 9-4120-371-24P

TO 35E9-242-4

coded "XA" or those aircraft support items restricted by requirements of AR

750-1.

(2) Maintenance Code. Maintenance codes tells 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

C - Crew or operator maintenance done within organizational or aviation unit maintenance.

O - Organizational or aviation unit category can remove, replace, and use the item.

F - Direct support or aviation intermediate level can remove, replace, and use the item.

H - General support level can remove, replace, and use the item.

L - Specialized repair activity can remove, replace, and use the item.

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

(b) The maintenance code entered in the fourth position tells whether or not the item is to be

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

authorized repair functions.) NOTE: Some limited repair may be done on the item at a 10 wer level of maintenance,

if authorized by the Maintenance Allocation Chart (MAC) and SMR codes. This position will contain one of the

following maintenance codes.

Code

Application/Explanation

O - Organizational or (aviation unit) is the lowest level that can do complete repair of the item.

F - Direct support or aviation intermediate is the lowest level that can do complete repair of the item.

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

L - Specialized repair activity is the lowest level that can do complete repair of the item.

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

Z - Nonreparable. No repair is authorized.

B - No repair is authorized. (No parts or special tools are authorized for the maintenance of a "B" coded item).

However, the item may be reconditioned by adjusting, lubricating, etc., at the user level.

(3) Recoverability Code. Recoverability codes are assigned to items to indicate the disposition

action on unserviceable items. The recoverability code is entered in the fifth position of the SMR Code as follows:

Recoverability

Codes

Application/Explanation

Z - Nonreparable item. When unserviceable, condemn and dispose of the item at the level of maintenance shown in

third position of SMR Code.