scope:

This instruction implements AFPD 21-1, Air and Space Maintenance, AFI 63-107 Integrated Product Support Planning and Assessment, AFI 21-101 Aerospace Equipment Maintenance Management, and AFI 21-103 Equipment Inventory, Status, and Utilization Reporting. It provides guidance and procedures for improving the reliability and maintainability (R&M) of fielded air and space equipment through the use of Maintenance Data Documentation (MDD) analysis, Deficiency Reporting (DR), and Product Improvement Working Groups (PIWG). This instruction provides procedures for identifying, reporting, assessing R&M problems, developing corrective actions, and implementing improvements. Attachment 1 is a glossary of terms. Ensure that all records created by this AFI are maintained and disposed of IAW AFMAN 37-139, Records Disposition Schedule.