Learjet 40/45 Flap Actuator Replacement
We've received several inquiries regarding the replacement of the flap actuators on Learjet 40/45 aircraft per SB 40-27-31 & 45-27-47.
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We've received several inquiries regarding the replacement of the flap actuators on Learjet 40/45 aircraft per SB 40-27-31 & 45-27-47.
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At Duncan Aviation, we’ve also seen a couple of instances where the autopilot computer or yaw damper computer would disengage when the aileron trim motor is actuated.
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To effectively troubleshoot an aircraft autopilot, it's helpful to first understand how the autopilot system works.
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GE is recommending the replacement of the fuel valve thrust bushing be complied with as soon as possible before the fuel control has accumulated 10,000 hours.
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A number of KHF-950 HF components have been squawked as being stuck in transmit mode, or the frequency is changing on the controller every time a transmit is attempted. However, there were no faults found with the suspected units.
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Extreme temperatures affect the accuracy of the Air Data Computer altitude display. With WAAS / LPV approaches, this is no longer a factor.
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Does a pilot have to adhere to the VDP missed point when a VDP icon displays on the profile view of a WAAS approach plate?
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The glow-in-the-dark Tritium "EXIT" signs that may be installed in Falcon aircraft are being phased out due to the emission of low levels of radiation. These emissions have been deemed sensitive to some local regulations.
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November 3, 2012, is the date that operators are required to be in compliance of AD 2010-07-02. It addresses possible erroneous glide slope or localizer display indications.
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Insects on the windshield can be dealt with, but in the pitot static system they can be truly maddening. Bugs, like birds, can build a nest overnight.
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General Electric Service Bulletin (SB) CF34-72-0252 replaces the #5 bearing that was introduced on newer production engines, starting with engine S/N 950333, or with the incorporation of SB 72-0176.
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Bombardier has issued a recommended SB 45-56-3 that calls for the inspection of the windshield coupe rails on all Learjet 45 models.
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SB 72-0175 changes the compliance date from January 1, 2013, to the next shop visit.
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It was determined that the epoxy ramp installed to prevent water accumulation could deteriorate with time. A dry ice blasting machine removes the epoxy ramp efficiently without collateral damage.
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TCAS 7.1 is being offered as an upgrade by all of the major TCAS manufacturers and makes two important safety enhancements.
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