"The trouble of In-Flight Shut-Down" is a most fact to influence aircraft, especially the civil aircraft.
“空中停车故障”是影响航空飞机、尤其是民用航空飞机正常运营的重要因素。
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Trouble with the gearboxes of the Rolls-Royce engines caused some in - flight engine shutdowns, prompting the carrier to take the aircraft out of service for immediate modifications.
With the increasing effects of corrosive environment on the aircraft structures, calendar life has become a severe trouble of the air force at present and in the future.