Corrosion can have a lot of causes.

A guide rod is attached to the metal bellows disc for a smooth movement of the bellows.

The following weights shall be presented if applicable: (a) Maximum Ramp Weight; (b) Maximum Takeoff Weight; (c) Maximum Landing Weight; (d) Maximum Zero Weight; (e) Maximum Weight in Baggage Compartment(s).

Air intakes consist of items such as nose ring cowls, vortex generators and plumbing.

Gearbox section includes items such as gears, shafts, seals, oil pumps, coolers, etc.

Drive shaft section is used to conduct power from the engine to the gearbox.

Calibrated Airspeed means the indicated speed of an aircraft, corrected for position and instrument error.

The data may be supplemented by brief descriptions of additional characteristics or features if desired.

The airplane general arrangement shall be illustrated with a scale line drawing consisting of plan, side and front views.

The turbine section of the engine includes items such as turbine nozzles and turbine rotors.

The combustion section is part of engine in which fuel and air are combined and burned.