The airworthiness concern requires prompt action, based on the potential for having similar or more severe corrosion on any other airplane in the operator＇s fleet, prior to the next scheduled inspection of that area.

Do a continuity check at the Alternate Exhaust Fan Receptacle.

The ozone converter prevents damage to the air separation module from oxidation of the membrane material by ozone.

The airplane fuel system supplies pressurized fuel from the center or main tank.

Before inspection, you should remove access doors and fairings.

The circulation of the air in the components is such that the temperature for specific component is not out of the limit.

Turbine blade tip clearances decrease when the turbine case is cooled.

This can cause a deterioration of the mechanical properties of the assembly.

The assembly extends through the casing assemblies and is connected to the telescopic control assembly.

Loosen the air valve nut one or two turns to slowly release the air pressure. Drain hydraulic fluid by inverting shock strut or removing check valve.

Outside Air Temperature is the free air static temperature, obtained either from inflight temperature indications or ground meteorological sources, adjusted for instrument error and compressibility effects.