Avionics Skin Air Inlet Valve (Air conditioning inlet valve secured in the open position)

21-26-05B	Avionics Skin Air Inlet Valve (Air conditioning inlet valve secured in the open position)

Applicable to: -

- During cockpit preparation

Supply the aircraft electrical network.

Check that the air conditioning is operating with one or two air conditioning packs set to on.

After application of the maintenance procedure:

Clear the VENT AVNCS SYS FAULT alert displayed on the EWD using the CLR pb.

The VENT AVNCS SYS FAULT alert will be displayed after landing.

Note:

With only one air conditioning pack operative, operating time on ground is limited to 1 h.

- After takeoff

- After landing