ARINC 640 : 1997

1.0 INTRODUCTION
1.1 Purpose
1.2 Objective
2.0 DEFINITIONS
3.0 APPROACH AND RATIONALE
3.1 Process to Detect an Anomaly
3.2 Process to Collect Data and Anomalies
3.3 Process to Isolate an Anomaly
3.4 Process to Resolve the Anomaly
4.0 AIRLINES INPUTS TO PROBLEM
4.1 General
4.2 Description of Problem
4.3 Impact on Airline
5.0 AIRFRAME MANUFACTURER'S REQUIREMENTS FOR A SOLUTION
5.1 Participation
5.2 Data
5.3 Testing
5.4 Problem Correction
5.5 Interim Procedures
6.0 AIRCRAFT SYSTEMS MANUFACTURER'S REQUIREMENTS FOR A
      SOLUTION
6.1 Participation
6.2 Data
6.3 Testing
6.4 Problem Correction
6.5 Interim Procedures
7.0 PROCESS TO DETECT AND CORRECT ANOMALIES
7.1 Purpose
7.2 Process Overview
7.3 Anomaly Detection Process
7.4 Defining an Anomaly
7.5 Anomaly Correction Phase
7.6 Confirmation of NFF Resolution
8.0 COST JUSTIFICATION FOR SOLUTION
8.1 Purpose
8.2 NFF Anomaly Cost Evaluation
8.3 Correction Process Cost Evaluation and Justification

Describes a generalized process by which anomalies in aircraft systems can be detected and to effect a timely isolation and resolution of those anomalies.