The recirculation system uses a fan to move air from the passenger compartment to the main distribution manifold. This system reduces the amount of air necessary for the packs to supply.

This paragraph should also explain that, in addition to the established inspections, other inspections may be required by Airworthiness Directives.

To obtain exact performance values from tables, it is necessary to interpolate between the incremental values.

If the bracket touches the plate, remove the unwanted material with a file.

Measure the dimensions with a metal ruler that has graduations in millimeters.

Be careful when you move jet pipes or exhaust cones that have insulating blankets.

If the damage is only to the middle treads, the tire is serviceable.

Before you put new oil in the system, it is mandatory to replace the filter.

The manufacturer recommends that you prepare the mixture in an area with good airflow.

Inspection of the lavatory rapid-decompression device.

Adjust the door operating rod until it aligns with the attachment point.