TM 10-4610-243-23P(a) The maintenance code entered in the third position tells you the lowest maintenance level authorizedto remove, replace, and use an item. The maintenance code entered in the third position will indicateauthorization to the following levels of maintenance.Maintenance Application/ExplanationCodeC-Crew or operator maintenance done within unit/AVUM maintenance.O-Unit level/AVUM maintenance can remove, replace, and use the item.F-Direct support/AVIM maintenance can remove, replace, and use the item.H-General support maintenance can remove, replace, and use the item.L-Specialized repair activity can remove, replace, and use the item.D-Depot 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 repairedand identifies the lowest maintenance level with the capability to do complete repair (i.e., perform all authorizedrepair functions.)NOTESome limited repair may be done on an item at a lower level of maintenance, ifauthorized by the Maintenance Allocation Chart and SMR codes.Maintenance Application/ExplanationCodeO-Unit/AVUM is the lowest level that can do complete repair of the item.F-Direct support/AVIM 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 WB5coded item. However, the item may be reconditioned by adjusting, lubricating, etc., at the userlevel.(3) RecoverabilityCode. Recoverability codes are assigned to items to indicate the disposition actionon unserviceable items. The recoverability code is entered in the fifth position of the SMR Code as follows:Recoverability Application/ExplanationCodesZ-Nonreparable item. When unserviceable, condemn and dispose of the item at the level ofmaintenance shown in 3d position of SMR Code.O-Reparable item. When not economically reparable, condemn and dispose of the item at unit orAVUM level.F-Reparable item. When uneconomically reparable, condemn and dispose of the item at thedirect support or AVIM level.H-Reparable item. When uneconomically reparable, condemn and dispose of the item at thegeneral support level.D-Reparable item. When beyond lower level repair capability, return to depot. Condemnationand disposal of item not authorized below depot level.3
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