TM 9-6115-659-13&PCodeExplanationItems with these codes are not to be requested/ requisitionedindividually. The parts that make up the assembled item must berequisitioned or fabricated and assembled at the level ofmaintenance indicated by the source code. If the 3d position code ofthe SMR code authorizes you to replace the item, but the sourcecodeitemXA - Do not requisition an “XA’’-coded item.below.)indicates the item is assembled at a higher level, order thefrom the higher level of maintenance.Order its next higher assembly. (Also, refer to the NOTEXB -If an “XB” item is not available from salvage, order it using the CAGEC and part number given.XC - Installation drawing, diagram, instruction sheet, field service drawing, that is identified bymanufacturer’s part number.XD - Item is not stocked. Order an “XD’’-coded item through normal supply channels using the CAGECand part number given, if no NSN is available.NOTE: Cannibalization or controlled exchange, when authorized, maybe used as a source of supply foritems with the above source codes, except for those source coded “X” or those aircraft support itemsrestricted by requirements of AR 700-42.F-3.2.2 Maintenance Code. Maintenance codes tells you the level(s) of maintenance authorized toUSE and REPAIR support items. The maintenance codes are entered in the third and fourth positions ofthe SMR Code as follows:F-3.2.2.1 The maintenance code entered in the third position tells you the lowest maintenance levelauthorized to remove, replace, and use an item. The maintenance code entered in the third position willindicate authorization to one of the following levels of maintenance.CodeApplication/ExplanationC-Crew or operator maintenance done within unit or aviation unit maintenance.O-Unit or aviation unit level 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.F-3.2.2.2 The maintenance code entered in the fourth position tells whether or not the item is to berepaired and identifies the lowest maintenance level with the capability tO do complete repair (i.e., performall 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 positionwill contain one of the following maintenance codes.Change 1 F-3
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