<div class="section abstract"> <div class="htmlview paragraph">ARP1834 provides general guidance for the selection, approach to, and performance of various kinds of F/FA of digital systems and equipment. Its prime objective is to present several industry-acceptable, cost-effective methods for identifying, analyzing, and documenting digital-equipment failure modes and their effects. The analysis techniques and considerations presented here are directed to digital-equipment hardware faults and failures exclusively.</div> <div class="htmlview paragraph">ARP1834 is not intended as an exhaustive treatment of the enormously complex process involved in the analytical failure evaluation of complete digital systems, nor as a universally applicable, definitive listing of the necessary and sufficient steps and actions for such evaluation.</div> <div class="htmlview paragraph">ARP4761 provides updated methods and processes for use on civil aircraft safety assessment. When analyzing these types of systems, ARP4761 should be used in lieu of this ARP.</div> <div class="htmlview paragraph">ARP1834 addresses the following areas of consideration in the preparation and performance of F/FA's for digital equipment:</div> <ol class="list nostyle"> <li class="list-item"> <span class="li-label">a</span> <div class="htmlview paragraph">Possible Analysis Approaches: Top-Down and/or Bottom-Up (<span class="xref">Section 3</span>)</div></li> <li class="list-item"> <span class="li-label">b</span> <div class="htmlview paragraph">Fault/Failure Modes, as they affect equipment operation and performance (<span class="xref">Section 4</span>)</div></li> <li class="list-item"> <span class="li-label">c</span> <div class="htmlview paragraph">Fault Monitoring Methodology: Reasons for, types of, and effectiveness (<span class="xref">Section 5</span>)</div></li> <li class="list-item"> <span class="li-label">d</span> <div class="htmlview paragraph">Analysis Methods: Preparation for, types of, effectiveness and coverage (<span class="xref">Section 6</span>)</div></li></ol> </div>