Table of Contents
1.Purpose
2.Applicability
3.Cancellation
4.Background
5.Introduction
6.Damage-ToleranceEvaluation
7.EstablishinganLOV
8.FatigueEvaluation
9.DiscreteSourceDamage
Appendix1-ReferencesandDefinitions
Appendix2-Full-ScaleFatigueTesting
Appendix3-ProcessforCompliancewith14CFR25.571(a),
(b)and(c)forFatigueDamage
Appendix4-ExamplesofAlterationsthatMayRequire
Full-ScaleFatigueTesting
Appendix5-PSE,FCSandWFD-SusceptibleStructure
Appendix6-AcronymsandAbbreviationsusedinthisAC Abstract
Gives guidance for compliance with the provisions of Tide 14, Code of Federal Regulations (14 CFR) part 25, pertaining to the requirements for damage-tolerance and fatigue evaluation of transport category aircraft structure, including evaluation of widespread fatigue damage (WFD) and establishing a limit of validity of the engineering data that supports the structural-maintenance Program (hereafter referred to as the LOY).
