A torn flexible connector means the material, slack, pressure, weather exposure, vibration, or alignment is wrong. Shut down if needed and replace it with the approved connector material/detail.
The flexible connector at [fan/unit] tore during startup. I checked material, slack, alignment, weather exposure, and support. Do you want it replaced with the approved connector material/detail before restart?
Watch out
Do not use indoor/light-duty canvas outdoors or where the project requires a different flex material.
Check
Shut down or secure the system before working near fan discharge if required.
Look for no slack, misalignment, sharp edges, rubbing, vibration, or fan movement.
Inspect duct/plenum supports so the flex connector is not carrying duct weight.
Replace/repair per approved detail and recheck on startup.
Say this to your foreman
The flexible connector at [fan/unit] tore during startup. I checked material, slack, alignment, weather exposure, and support. Do you want it replaced with the approved connector material/detail before restart?