The primary function of the hydraulic pressure system is to supply pressure for the operation of the flight controls.

If the indications do not clearly show that a fastener is loose, make a red line across the head and the adjacent material.

Keep the elevator from moving by installing a wooden block between the inboard edge of the elevator and the tail cone.

When you do the lifting or lowering of the aircraft, make sure that the persons who operate the lifting/lowering equipment have the correct training and knowledge.

The repair must be examined at specified intervals and replaced if deterioration or damage is found.

This section must set forth each mandatory replacement time, structural inspection interval, and related structural inspection procedure required for type certification.

The rules contained in this specification shall serve as guides for format, style and method of presentation for all material included in Maintenance Manuals prepared by manufacturers.

Weights corresponding to the airplane as offered with typical seating and interior, avionics, accessories, standard equipment and fixed ballast, and the typical empty weight and maximum useful load based on this weight.

Those instructions necessary to support the aircraft during maintenance and repair, includes information on shoring materials and equipment, contour dimensions, shoring locations, etc.

Direction as to who and how to contact technical personnel at the manufacturers Plant, for assistance in repairing or replacing items damaged and not covered by a standard repair.

The airplane general arrangement shall be illustrated with a scale line drawing consisting of plan, side and front views presented in a vertical sequence upon a single page.