121.Unwanted change of the original condition of a material because of
chemical or physical vagents or a material that causes such a change.

653.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.

652.如果由于腐蚀而无法拆卸螺栓,则使用渗透油。

651.THE CABLE CAN ( ) QUICKLY IN THIS POSITION.

650.Each item of Airplane Performance shall include a statement of
significant conditions associated with the data.

649.That stops and starts again, not continuous.

648.The manufacturer may establish procedures to provide feedback ( ) on
unairworthy conditions ( ) that
were discovered when complying.

647.( ) PERSONNEL AWAY FROM THE AIRCRAFT WHEN THE THRUST REVERSER DEPLOYS.

646.Because of the varied missions the airplanes performed, type of care
given, and age and utilization rates, ABC has determined, based on
inspections, tests, and analyses, that it is necessary to provide
additional inspection requirements to further ensure that the airplanes
can continue to carry the design loads it was originally certified for.

645.IF YOU ( )HYDRAULIC FLUID, GET MEDICAL AID IMMEDIATELY.

644.THE SYSTEM IS HYDRAULICALLY OPERATED AND ELECTRICALLY ( ).