1.3 How to know it is working

1. Events are investigated to understand the contributing factors, and corrective actions are developed to reduce the likelihood of future occurrences.
   
   
2. Deviations from existing procedures are uncovered during the investigations, and they are corrected.
   
   
3. The number of events caused by human performance factors decreases.
   
   
4. The operator saves time and money by decreasing interruptions to revenue flights, rework, personal injuries, and equipment damage.
   
   
5. Throughout the maintenance organization, personnel are discussing events, contributing factors, and corrective actions.
   
   
6. Positive results from an internal audit or adherence to regulatory guidelines.
   
   
7. All parties increasingly accept voluntary reporting systems.