ATA MSG-3 Volume 1, Revision 2018.1, presents operator and manufacturer guidance for developing scheduled maintenance programs for fixed-wing aircraft. The document covers MSG-3 objectives and organization, maintenance significant item selection, aircraft systems and powerplant analysis procedures, failure effect categories, task development and selection, interval determination, structural analysis, zonal analysis, enhanced zonal analysis, L/HIRF protection, and related terminology in a glossary. It also includes the product license agreement, revision history, contents, acceptance documentation, and regulatory authority endorsements. This electronic PDF is intended for aviation organizations, aircraft manufacturers, operators, maintenance program developers, airworthiness professionals, and engineering teams working on Maintenance Review Board Report proposals and equivalent continuing-airworthiness activities.
Application Scope: Use as licensed technical guidance for developing and reviewing scheduled maintenance programs for fixed-wing aircraft within applicable organizational, regulatory, and airworthiness requirements.