Duncan Aviation Tech Reps have fielded a number of calls recently from Lear 35/55 operators needing assistance because the autopilot pitch command is inoperative in one direction.
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Honeywell stopped production of the RM-850 Radio Management Units (RMUs) in 2006. Then on November 8, 2010, Honeywell announced there may not be enough suitable replacement parts for these RMUs to be repaired.
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After performing the standard shutdown and reboot of the aircraft to clear the fault, the CAS message still posted.
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Dassault has published the Supplemental Maintenance Manual Chapter 5s, and operators are encouraged to update their logbooks.
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Some earlier S/N 604s are coming due for the 192-month landing gear restoration but may be confused with the 96-month repetitive cycle in the restoration requirement versus the 96-month Detailed Inspection requirements.
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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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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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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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Antenna corrosion is usually not found until an equipment failure is noticed. By that time, it might be too late.
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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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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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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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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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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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