ARMY   TM   9-2815-253-24P AIR  FORCE  TO  38G1-93-4 MARINE  CORPS  TM  2815-24P/1 3 ELPLANATION  OF  COLUMNS  (SECTIONS  II  AND  III).  (Continued) Code Application/Explanation 0 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 -Specializad  repair  activity  (designate  the  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 -Nonrepairable. 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 5th position of the SMR Code as follows: Recoverability codes Application/Explanation Z -Nonrepairable item. When unserviceable, condemn and dispose of the item at the level of maintenance shown in 3rd position of SMR Code. 0 -Repairable item. When uneconomically repairable, condemn and dispose of the item at organizational or aviation unit level. 5