Recently, I have experienced an increase in the number of inquiries about the Attitude Heading Reference System (AHRS) in the Learjet 31A. Between Service Bulletin (SB) 31-34-9, the Illustrated Parts Catalog (IPC) 34-24-11 and the Aircraft Maintenance Manual (AMM) 34-28-00, there are numerous errors.
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Many factors will cause a low or high oil pressure indication on TFE731 engines. One of the more common causes is a faulty Breather Pressurizing Valve (BPV).
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Most operators are aware of these limits and track their time and usage to schedule replacement when required. But what about the life-limited aircraft parts contained WITHIN aircraft assemblies?
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FANS 1/A – CPDLC is one of the many components of NextGen and will play an integral part in many aspects of future systems.
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Recently, a Hawker 800XP being tested for the Stall Detector Functional test at Duncan Aviation exhibited an open #2 pitot system.
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Antenna corrosion is usually not found until an equipment failure is noticed. By that time, it might be too late.
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An inefficient ECU heat transfer can result in a hot cabin, even with the temperature control in auto mode with “Max Cool” selected.
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During the Hawker 125 series landing gear overhaul process, corrosion has been found on just about every piece and part of the gear.
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Preplanning for an interior refurbishment will reduce the anxiety of tight decision deadlines and create an environment that allows operators to enjoy the design process.
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There are a number of problems that can exist when a “pressurization bump” is reported upon takeoff. When troubleshooting, don’t overlook the opening of the L/H main air valve.
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If you are operating in a region where cicadas are out, it has been suggested that you use your engine in lieu of your APU.
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It sounds pretty simple, but there is a lot of confusing and conflicting information on Learjet tire changes you should be aware of.
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It is tempting to grab a hold of the shaft of the Maxaret with a pair of pliers to yank it free... do not do this.
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The Customer Bulletin (CB) requires the Securaplane Service Bulletin (SB) 100-0302-24-139 be complied with at the next internal battery change (a 48-month requirement).
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The potential exists for the front pilot and co-pilot window heat wires to arc to ground if improperly installed during the re-installation of the overhead panel.
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