COMNAVAIRFORINST 4790.2C (Apendeix E)

apendix E

ACTION TAKEN (AT) CODES All codes listed below may be used for both on equipment or off equipment work unless otherwise noted. A. Items of Repairable Material, Weapon or Support System Discrepancy Checked No Repair Required. This code is used for all discrepancies, which are checked and found that either the reported deficiency cannot be duplicated, or the equipment is operating within allowable tolerances. Adjustments may be made under this code if the purpose of the adjustment is to peak or optimize performance. When adjustments are made, the malfunction description (MAL) code should reflect the reason for the adjustment, for example, A127, A-281, A-282. If the purpose of the adjustment is to bring the equipment within allowable tolerances, AT Code C should be used, for example, C-127, C-281, C-282. Additionally, this code will be used on all maintenance actions forms (MAF) work requests for documenting local manufacture or fabrication. B. Repair or Replacement of Items. The repair or replacement of these items, such parts as attaching units, seals, gaskets, Packing, Tubing, Hose, and Fittings, that are not integral parts of work unit coded items or components. These parts are not identified by work unit codes (WUC) and are normally a connecting or attaching link between two or more components that do have WUCs assigned. Therefore, when items of this nature are repaired or replaced, this AT Code is used. In case of doubt regarding which component to identify, the WUC of the component serviced will be used. C. Repair. This code is entered when a repairable item of material, which is identified by WUC, is repaired. Repair includes cleaning, disassembly, inspection, reassembly, lubrication, and replacement of integral parts; adjustments are included in this definition if the purpose of the adjustment is to bring the equipment within allowable tolerances (see AT Code A). This code also applies to the correction of a discrepancy on a weapon or support system (when appropriate).