Existing analyses were reviewed to identify components and areas that may have exhibited lower margins of safety.

Emergency Procedures and other pertinent information necessary for safe operations shall be provided for emergencies peculiar to a particular airplane design, operating or handling characteristics.

The procedures shall clearly describe the step-by-step operation in a logical work flow sequence as necessary to gain access to and subsequently remove the hardware or install the hardware.

Environmental systems include those units and components which furnish a means of pressurizing, heating, cooling, moisture controling, filtering and treating the air used to ventilate the areas of the fuselage within the pressure seals.

The check list should be limited to the minimum number of items determined to be essential to aid the pilot in an emergency.

Other Limitations provide a statement of any limitation required by regulation or permitted or approved by the regulatory authority, not specifically covered in this Section.

Open communication should exist with the operator telling the manufacturer as soon as some new kind of situation arises and the manufacturer responding back with solid help to the operators.

All official technical names that have more than three nouns are written in full the first time that they occur.Then, in the remaining parts of the text, the related approved abbreviations are used.

If the airplane has a built-in auxiliary power unit, describe it and explain how it fits in with the electrical system.

A list of corresponding serial/unit numbers (or other identifying information) is in a corresponding column on the right side of the page.

Basic control and operation information describe how the airplane components are controlled and how they operate, including any special procedures, and limitations that apply.