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.
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If your aircraft will be sitting idle for longer than normal, we recommend you take extra steps to keep your engines in working condition and minimize the potential for deterioration. Engine preservation is critical during times of long-term storage, with some unfortunate effects when procedures are not followed.
Hydrostatic testing is often required at certain intervals for Aircraft Oxygen Cylinders, Fire Extinguishers and Pneumatic Bottles. The interval at which these are due and what is to be done is sometimes confusing. It’s not only important to know when these are due but also what is to be done.
It is crucial to follow recommended best practices during aircraft tire storage to prevent tire distortion.
Duncan Aviation’s flight operations have a list of things done regularly that could be considered preventative maintenance. Most of the items are service-related, but many AOG situations are prevented by doing them.
The light alloy brackets and levers in the center wheel well area and wing rear spar are susceptible to severe corrosion if the protective coating is compromised and remedial action is not taken promptly.
The Astra Maintenance Manual requires the removal of the jet pumps to properly inspect for cleanliness and damage. Using a borescope to inspect these areas without removing the pumps will not provide an adequate assessment of the condition of these components.
Within the last three years, I've reviewed several aircraft maintenance records for various aircraft and noted missing entries regarding non-OEM-related equipment. It’s not the major maintenance and inspections that are missing from the logbooks, but rather the small unknown inspections and ongoing required programs that remain outstanding.
Although Service Bulletin SBF2-12-001 is not mandatory, API strongly recommends compliance during the next maintenance event in which the ailerons are removed from the aircraft.
If you have the centrifugal compressor impeller with the designated part and serial number, accomplish the initial borescope inspection at the next designated airframe inspection.
There is a new Evolved Maintenance Program (EMP) for the Learjet 40 and Learjet 45 aircraft. We recommend you spend the time to become familiar with all the necessary documents.
This is not a mandatory Service Bulletin, but it is highly recommended that all Falcon 2000EX operators take it seriously.
The generator control panel controls the voltage for generators that charge batteries, start motors and control the ground power unit. When working properly, these generators share the electrical load.
Some Hawker and Beechcraft operators may not be aware there is a wealth of information in the Technical Publications area on the Beechcraft website regarding changes not yet been incorporated into the affected manuals.
If the static port on your Falcon 50B/EX has an added shim, extra caution is needed during removal as not to cause damage.