TM 10-1670-251-12&P(b) The maintenance code entered in the fourth position tellswhether or not the item is to be repaired and identifies thelowest maintenance level with the capability to do completerepair (i.e., perform all authorized repair functions.) (NOTE:Some limited repair may be done on the item at a lower levelof maintenance, if authorized by the Maintenance AllocationChart (MAC) and SMR code.) This position will contain one ofthe following maintenance codes.CodeApplication/ExplanationO-Organizational 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 of theitem.H-General support is the lowest level that can docomplete repair of the item.L-Specialized repair activity (designate thespecialized repair activity) is the lowest levelthat 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.C-9
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