Important: Review the system operation in order to learn
the system functions. Refer to:
Visual/Physical Inspection
| • | Inspect the system components for obvious damage or for conditions which
can cause the symptom. |
| • | The following could cause window fogging: |
| - | Maximum passenger capacity |
| - | Blocked body pressure relief valves |
| • | Inspect the air distribution system for causes of reduced airflow: |
| - | Blocked air inlet vents or damaged air inlet vents |
| - | Blocked air outlet vents or damaged air outlet vents |
Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions.
Refer to
Testing for Intermittent Conditions and Poor Connections
in Wiring Systems.
Symptom List
Refer to a symptom diagnostic procedure from the following list: