TM 1-1270-476-23P                                                                                                                                                                SECTION I 2 * Complete repair: Maintenance capacity, capability, and authority to perform all corrective maintenance tasks of the "Repair" function in a use/user environment in order to restore serviceability to a failed item. (1)  Source Code. The source code tells you how you get an item needed for maintenance, repair, or overhaul of an end item/equipment. Explanations of source codes follow: Code                                Explanation PA PB PC** Stocked items; use the applicable NSN to request/requisition PD items with these source codes. They are authorized to the PE category indicated by the code entered in the third position PF of the SMR code. PG PR*** NOTE: ** Items coded PC are subject to deterioration. ***    Items coded PR are stocked items which have been replaced and procurement is not authorized (internal command coding). Consume existing stock. Items with these codes are not to be requested/requisitioned KD individually. They are part of kit which is authorized to KF the maintenance category indicated in the third position of KB the SMR code. The complete kit must be requisitioned and applied. Source Maintainance   Recoverability   Code 1^st  two      Code              Code 5^th    positions position    XX XX            X     3^rd position 4^th position Who determines How you get Who can install, Who can do   disposition an item                      replace or use complete repair * action on an the item                     on the item unserviceable item