According to Service Letter (SL) No. 2843 and 2844, Universal Avionics has announced they will cease repair, support and the navigation database updates for the UNS-1M and UNS-1Msp series Navigation Management System, effective January 1, 2013.
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There are many reasons that your TFE731 engine may be leaking oil. The hardest part is determining where it is leaking and what to do about it.
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One word can strike terror in the heart of any DOM and Chief Pilot, especially during a large maintenance event:
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Operators of Hawker 750, 800XPC, 850XP and 900XP aircraft may be unaware of new storage requirements introduced.
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Learjet is planning on releasing a Temporary Revision (TR) to Chapter 5 on November 29, 2010, that will reduce the life limit of the end cap.
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The SAFA inspectors have a list of 54 items that can be checked. Many could significantly delay or even ground your aircraft.
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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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These components are often “on-condition,” meaning that there is no requirement from the OEM to identify or track the aircraft battery replacement cycle as part of their inspection program.
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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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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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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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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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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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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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