Troubleshooting TFE731 Engine Oil Leaks
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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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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Operators of Hawker 750, 800XPC, 850XP and 900XP aircraft may be unaware of new storage requirements introduced.
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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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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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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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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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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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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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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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