How long after landing will the PMU STATUS light illuminate if there are issues not serious enough to revert to manual?

The PMU STATUS light is an important indicator used to inform the pilot about the status of the Power Management Unit (PMU) after landing. When the aircraft lands, the PMU performs a self-diagnostic check. If issues are detected that are not severe enough to necessitate switching to manual mode, the PMU STATUS light will illuminate approximately one minute after landing. This timing allows for a brief period in which the PMU can assess the system's health and overall status without indicating immediate danger to the flight operations.

Understanding this duration is crucial for pilots, as it informs them of the window in which they should be aware of potential issues, while also knowing that serious concerns would typically warrant an immediate manual operation. Having this knowledge helps in maintaining a safer operational environment and prepares pilots for any necessary actions post-landing.