rudder power造句

• That case also called for replacement of the main rudder power control unit.
• Mechanics later removed and replaced the main rudder power control unit on the jet.
• Parker is the manufacturer of the rudder power control unit.
• This March, the aviation administration ordered airlines to inspect the rudder power control valve periodically.
• The rudder power control unit is similar to a power steering unit in a car.
• _A Southwest 737 was returned to service with a rudder power control unit improperly reassembled in December 1996.
• In 1997, the FAA ordered U . S . airlines to replace the rudder power-control units in 737s.
• Tests showed a lack of rudder power, quickly cured by an increase in area, but no other concerns.
• If so, further tests must be done to see if the whole rudder power control unit must be replaced.
• Boeing is redesigning the airplane's rudder power control unit to prevent possible jamming or reversal of the aircraft's rudder.
• The company, however, told the NTSB that under certain extreme, hypothetical failure conditions, the rudder power control unit could malfunction.
• He recommended the FAA require the " expeditious " installation of a redesigned main rudder power unit in all 737s.
• The Federal Aviation Administration said Wednesday it has found all potentially faulty main rudder power control units on the world's fleet of 737s.
• Their findings could lead NTSB investigators to rule that the Pittsburgh crash was caused by a jam in the 737's rudder power control unit.
• She said Boeing has completed and approved the basic redesign of the rudder power control unit and submitted it to the FAA for review.
• A "'hydrocopter "'is an amphibious propeller-driven catamaran with a boat-like propeller and air rudder powers this lightweight vehicle over water, ice, snow and land.
• The airworthiness directive is a follow up to a November order by the FAA for airlines to inspect rudder power systems on all Boeing 737s.
• Nearly 80 of the problems occurred in the past five years, about 20 of which resulted in replacement of the main rudder power control unit.
• Late last year, Boeing recommended that 737 operators test the rudder power control units on the aircraft to see if they're at risk of jamming.
• The FAA directed airlines to conduct basic rudder tests to see if there were any signs of jamming in the aircraft's main rudder power control unit.