The Duncan Intelligence is a free, technical newsletter for business aircraft owners and operators. Written in-house by Duncan Aviation's technical representatives, each edition includes technical tips and advice on topics and trends in business aviation. It is a free, monthly e-mail subscription for aviation enthusiasts around the world.
Subscribe now to receive the Duncan Intelligence in your inbox.
Even if this isn’t your first pre-owned aircraft purchase and you’re familiar with the process, it’s crucial not to rush through the pre-purchase evaluation for the sake of quicker ownership.
Operators of legacy systems such as the ATG 1000, 2000, 4000, or 5000 must prepare for Gogo’s transition to LTE technology by December 31, 2025. If the connectivity system on your aircraft is not upgraded, the inflight internet services may be disrupted.
Flight crews and maintenance personnel need to come together and discuss how and when to properly service the oil, creating a means to log the addition of oil and discussing the responsibilities of ground personnel service when the aircraft is away from home.
Honeywell recommends replacing the accessory gearbox bevel components at the same time before the engine reaches 7,000 operating hours or at first access to the affected parts.
Customers often assume failures can’t happen when they aren’t flying but talk to any of Duncan Aviation’s Satellite Shops, and we’ll confirm it’s a very common occurrence.
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.
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.
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.
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.
Dassault has published the Supplemental Maintenance Manual Chapter 5s, and operators are encouraged to update their logbooks.
After performing the standard shutdown and reboot of the aircraft to clear the fault, the CAS message still posted.
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?
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.
FANS 1/A – CPDLC is one of the many components of NextGen and will play an integral part in many aspects of future systems.
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).