If you cannot remove a bolt because of corrosion, apply penetrating oil.

During the approach to the runway, deviation pointers in the course indicators show the pilot in which direction the aircraft must go.

Write only one instruction in each sentence unless two or more actions occur at the same time.

Examine all components, hydraulic fittings and connecting lines.

Airworthiness Directive is procedure that must be used when performing maintenance on an aircraft.

This Section shall contain a legible statement in a prominent location to the effect that the Airworthiness Limitations Section is FAA approved.

Navigation system information is displayed on the primary flight displays

In some cases, wires are color coded and these should be indicated on the wiring diagram.

For Handbooks that are not FAA Approved Airplane Flight Manuals, make the following statements.

In an emergency, obey the cabin crew without question.

Relatively simple units may not require description and operation, and/or troubleshooting information.