TM 9-2815-202-24P 0001 00 Third Position. 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: Maintenance Code Application/Explanation C — Crew or operator maintenance done within unit maintenance or aviation unit mainte- nance. O — Unit maintenance 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. Fourth Position. 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 (perform all authorized repair 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. Maintenance Code Application/Explanation O — 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 “B" coded item. However, the item may be recon- ditioned by adjusting, lubrication, etc., at the user level. 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 Code 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. O — Reparable item. When uneconomically reparable, condemn and dispose of the item at unit level. F — Reparable item. When uneconomically reparable, condemn and dispose of the item at the direct support level. H — Reparable item. When uneconomically reparable, condemn and dispose of the item at the general support level. D — Reparable item. When beyond lower level repair capability, return to depot. Condemnation and disposal of item not authorized below depot level. L — Reparable item. Condemnation and disposal of item not authorized below Special- ized Repair Activity (SRA). 0001 00-3