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4790.2B Appx E

Action Taken (AT) & Beyond Capability of Maintenance (BCM) Codes

QuestionAnswer
AT Code A Items of Repairable Material or Weapon/Support System Discrepancy Checked. No Repair Required.
AT Code B Repair or replacement of items, such as attaching units, seals, gaskets, packing, tubing, hose, and fittings, that are not integral parts of work unit coded items or components.
AT Code C Repair
AT Code D Work Stoppage, Post and Predeployment, and Inter-Intermediate Maintenance Activity (IMA) Support
AT Code F Failure of items undergoing check and test.
AT Code J Calibrated - No adjustment required
AT Code K Calibrated - Adjustment required
AT Code L Work Stoppage - Awaiting Parts
AT Code N Work In Progress - Close Out
AT Code P Removed
AT Code Q Installed
AT Code R Remove and Replace
AT Code S Remove and Reinstall
AT Code T Removed and Replaced for Cannibalization
AT Code Y Troubleshooting
AT Code Z Corrosion Treatment
BCM 1 Repair not authorized
BCM 2 Lack of equipment, tools or facilities
BCM 3 Lack of technical skills
BCM 4 Lack of parts
BCM 5 Fails check and test
BCM 6 Lack of technical data
BCM 7 Beyond authorized repair depth
BCM 8 Administrative
BCM 9 Condemned
Created by: LS2Wilcoxon