TM 10-4320-344-24P-3CodeApplicatlon/ExplanationF-Direct support or aviation intermediate levelcan remove, replace, and use the item.H-General support level can remove, replace, anduse the item.L-Specialized repair activity can remove,replace, and use the item.D-Depot level can remove, replace, and use theitem.3.2.1.2. MaintenanceCodeFourthPosition. The maintenance code entered in the fourth position tells whether or notthe 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 lower level ofmaintenance, if authorized by the Maintenance Allocation Chart (MAC) and SMR codes.) This position will contain one ofthe following maintenance codes.CodeApplication/ExplanationO-Unit or (aviation unit) is the lowest levelthat can do complete repair of the item.F-Direct support or aviation intermediate is thelowest level that can do complete repair ofthe item.H-General support is the lowest level that cando complete repair of the item.L-Specialized repair activity (designate thespecialized repair activity) is the lowestlevel that can do complete repair of the Item.D-Depot is the lowest level that can do completerepair of the item.Z-Nonreparable. No repair is authorized.B-No repair is authorized.(No parts or specialtools are authorized for the maintenance of a"B' coded item).However, the item may bereconditioned by adjusting, lubricating, etc.,at the user level.3.2.3. RecoverablityCode. Recoverability codes are assigned to items to indicate the disposition action onunserviceable items. The recoverability code is entered in the fifth position of the SMR Code as follows:RecoverabilityApplication/ExplanationCodesZ-Nonreparable item.When unserviceable, condemn anddispose of the item at the level of maintenanceshown in 3d position of SMR Code.0-Reparable item. When uneconomically reparable,condemn and dispose of the item at unit oraviation unit level.4
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