Challenger 604 SB 604-57-003
While performing SB 604-57-003, Duncan Aviation Tech Reps made a couple of observations that will make this inspection easier.
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While performing SB 604-57-003, Duncan Aviation Tech Reps made a couple of observations that will make this inspection easier.
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Intermittent failures like failure to deploy, failure to stow and intermittent unlocked light or operation may be caused by the Flex Shaft Lock.
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Our Challenger Tech Reps recommend two new areas for CL600 corrosion inspection.
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As spring and summer temperatures begin rise, so do the number of environmental system squawks.
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At Duncan Aviation, we have recently come across a number of Temperature Control Valves or Low Limit Control Valves on Challenger aircraft with cracked housings.
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Due to problems with the Tower Shaft Bearing, this SB has been released to change the Oil Filter Analysis interval in Specific Identified Engines.
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To avoid significant delays during 120-month (CL600/601) or 96-month (CL604) landing gear restorations, we highly recommend that you serialize landing gear parts and establish records for each before your landing gear restoration comes due
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Members of Duncan Aviation's Challenger program have developed a portable flap systems test bench that provides immediate feedback with increased accuracy, and does not require a test flight for analysis
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