Production Loss (PL) Consequence Description | Probability of Failure | ||||
5 (occurs ≥ 5 times in a maintenance cycle) | 4 (occurs 4 times in a maintenance cycle) | 3 (occurs 3 times in a maintenance cycle) | 2 (occurs 2 times in a maintenance cycle) | 1 (occurs 0 - 1 time in a maintenance cycle) | |
Catastrophic (5) Production deferment or shutdown > 24 hrs or damage to asset | 25 | 20 | 15 | 10 | 5 |
Severe (4) Production deferment or shutdown 8 to 24 hrs | 20 | 16 | 12 | 8 | 4 |
Major (3) Production deferment or shutdown up to 8 hrs | 15 | 12 | 9 | 6 | 3 |
Moderate (2) Impact on output or product quality | 10 | 8 | 6 | 4 | 2 |
Minor (1) Less or no effect | 5 | 4 | 3 | 2 | 1 |