Final answer:
In ASIMS, PHAs statuses turn yellow when hazards are in a non-critical state, indicating the need for ongoing monitoring. This ensures that hazards are managed to maintain a safe working environment.
Step-by-step explanation:
In ASIMS (Aviation Structural Integrity Program Management System), PHAs (Program Hazard Analysis) statuses turn yellow when the hazards associated with a particular program are in a non-critical state. This indicates that there are some hazards present, but they are not currently affecting the program's operation or safety. It serves as a reminder that these hazards should still be monitored and managed to prevent them from becoming critical.
For example, let's say there is a program for aircraft maintenance. If a hazard is identified, such as a faulty tool that could potentially cause an accident, the PHA status for that hazard would turn yellow when the issue has been addressed and mitigated to a certain extent, but there is still a need for ongoing monitoring and maintenance.
The yellow status in ASIMS is a way of visually categorizing and tracking hazards, ensuring that they receive the necessary attention and management to maintain a safe working environment.