Nexus sensor Intake-3 ? where is this located

Anyone knows where sensor "Intake-3" is located on a Nexus 5010

sh environment temperature

Temperature

-----------------------------------------------------------------

Module Sensor MajorThresh MinorThres CurTemp Status

(Celsius) (Celsius) (Celsius)

-----------------------------------------------------------------

1 Outlet-1 60 50 31 ok

1 Outlet-2 60 50 31 ok

1 Intake-1 60 50 21 ok

1 Intake-2 60 50 20 ok

1 Intake-3 50 40 109 major alarm

1 Intake-4 50 40 20 ok

1 PS-1 60 50 24 ok

1 PS-2 60 50 25 ok

2 Outlet-1 60 50 27 ok

Hardware

cisco Nexus5010 Chassis ("20x10GE/Supervisor")

Thank's