997.The airplane has been maintained in accordance with manufacturer recommendations or equivalent.

278、Engine Controls and Instruments include, definitions, descriptions or explanations of the following terms
or components. The definitions, descriptions land explanations provided are examples. Those used in a
particular Handbook should be appropriate for that particular airplane of installation.

277 、 Airline operators are encouraged to evaluate their particular 737NG operating environment,
accompanied with debris findings at time of leaning to identify and implement(执行)the most effective and
economic maintenance interval.
鼓励航空公司运营商评估其特定的 737NG 运行环境,并在倾斜时发现碎片,以确定和实施最有效和经济的
维护间隔

276、Provide ventilation for lavatories and galleys.

275、Fill the space between the patch and the adjacent structure with sealant.

274、If contamination causes a blockage of more than 50 percent of the holes, then clean the holes on the
rear of the display units.

273、The system design makes sure that two AC power sources can not supply power to the same transfer
bus at the same time.

272、This will be limited to the forward and aft edges of the windshield due to the bottom edge not being
visible and the top edge having the bus bar in the way.
这将是有限的向前和尾部边缘的风挡玻璃由于底部边缘不可见和顶部边缘有母线在路上。

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

270、The system interface circuits adapt to the physical properties of the connected systems.

269、In a high concentration, this material is poisonous.