1227. Disconnect the connection which is downstream of the valve ( )

3073. In extreme climates and low ambient temperatures , it may be difficult to lubricate the flap and slat systems correctly ( )

3072. The heat and sound insulation blankets are covered by lining and furnishing panels , which also provide cockpit decoration( )

3071. 所有相关数据应按逻辑方式分组。 ( )

3070. On pages requiring folding, the fold shall be made in a manner that permits the page number to be visible( )

3069. 对 2 号发动机进行大修。 ( )

3068. 在吊起齿轮箱之前组装好可移动的起重机。 ( )

3067. Refer to detail C on fig4 for a different procedure to attach the cable( )

3066. 确保单向阀上的箭头远离接地供气管。 ( )

3065. The use of metal in aircraft construction increased( )

3064. Subject headings shall be the same as, or substantively equivalent to, the examples used in this specification except when not appropriate because of the design or operational features of the type of airplane ( )