October 2009 Edition

Hawker NLG Strut Leak Concerns

HawkerBeechcraft Communiqué HK-0012 displays concerns for the Piston Seal, PN 25UN523, in the NLG Strut. This seal may last for many flights, even in Arctic temperatures, but can start leaking without warning. Small leaks can often be severe enough to deplete the NLG Strut of all fluid. » Read More

Wintertime is just around the corner and with it typically comes cold weather maintenance issues. Before your NLG strut is depleted of all fluid, review this Hawker Beechcraft Communiqué.
» Read More

When Exactly Is the RVSM Manual Required?

Carrying the RVSM manual on board is only a regulatory requirement when the Operations Specifications, Letter Of Authorization or the FAA-approved RVSM maintenance manual states that you must have it on board. Having the RVSM manual on board, however, can be quite valuable in certain situations and is always a good idea. » Read More

Falcon FQMC Fault Codes

Falcon FQMC Fault Codes relating to “fuel quantity gauging signal outside of tolerance” on your Falcon 2000 usually mean water has affected the probes in the fuel bay. » Read More

King Air Proper Dynamic Balancing Extends life of Aircraft

Proper dynamic balancing of the props on a King Air is an excellent way to extend the life of the overall aircraft. Duncan Aviation technicians have seen King Airs come in with issues related to the dynamic balancing. » Read More

Learjet RVSM Pitot Probe Alignment FAQS

Dave Schiver, Duncan Aviation Learjet Tech Rep, answers your questions in regards to RVSM pitot probe alignment inspections on aircraft that have the Bombardier STC solutions installed. » Read More

PW Service Bulletin 30382

The P&W Service Bulletin 30382 introduces a seal between the turbine exhaust case and the turbine exhaust mixer assembly to keep hot exhaust gases from sensitive areas.» Read More

TFE731 Inspection Intervals

Duncan Aviation Tech Reps and Sales Reps field many questions regarding inspection intervals. Most often these pertain to the newer model engines: TFE731-20/-40/-60 and the -5BR. » Read More

About The Newsletter

This Duncan Intelligence Newsletter is a publication of Duncan Aviation, written by our technical experts. Please contact us with any questions, or if you have a topic that you would like to see discussed.

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