June 2009 Edition

More Information. Same Valuable Tips, Tricks and Support.

Welcome to the new Duncan Intelligence! The newsletter has a new look and feel but will keep the same valuable tips, tricks and technical support that you’ve come to rely on.

Now delivered monthly, Duncan Intelligence offers more information to enhance the operation of your business aircraft. Within the new format you will find:

Airframe & Engine Topics - Technical tips and tricks of the trade.
Straight Talk - Get easy-to-understand information about business aviation avionics.
Personnel Perspective - Meet the Duncan Aviation team members who work on behalf of you and your aircraft.
Market Update - Get the latest news about business aviation’s after-market business.
Duncan In The News - Read what others are saying about Duncan Aviation.

The newsletter changes were made with you in mind. We value your opinion and welcome your feedback. Please share your comments or suggestions on the new Duncan Intelligence format.

DGS-65 Directional Gyro: The Importance of the Encoder Flex Card

When Duncan Aviation repairs the DGS-65 Directional Gyro, we replace its Encoder Flex Card. Watch the first ever Duncan Aviation Video Intelligence to learn why this “extra” is so important (watch now).

Nav Unit Fails Soon After Repair

Duncan Aviation recently saw a Nav unit in our avionics shop that failed soon after being repaired by another service provider. The Duncan Aviation technician found some screws had been driven into a circuit board... (read more).

Fixing the Astra Starter Generator Firewall Cable, AD Compliance

AD 2004-07-21addresses issues with the Astra starter generator firewall cable support and the cables themselves. If you have not had the cable support replaced, you are not in compliance with this AD (read more).

Citation Engine Compressor Washes Improve Efficiency

If done on a routine basis, compressor washes will reduce deterioration of the ITT margin, help restore engine efficiency, reduce engine work load and decrease fuel consumption (read more).

F2000 Wing Anti-Ice Tube Corrosion

When removing the over-the-wing anti-ice lines during the Falcon C inspection, watch for corrosion on the clamps and tubing holding the left-hand and right-hand peri-seal heat shields in place (read more).

New Challenger Flap System Capability

Members of Duncan Aviation's Challenger program have developed a portable flap systems test bench that provides immediate feedback with increased accuracy, and does not require a test flight for analysis (read more).

Overfilling King Air Brake Fluid Reservoir Spells Avionics Trouble

When the brake fluid reservoir is over-serviced and the seal on the screw-top lid is worn, that can spell a sticky and expensive situation for sensitive electronic equipment mounted nearby (read more).

PW306C Engine Alternator and Starter Seal Replacement

Service Bulletin SB25353 allows the remaining PW306C operators to have the new carbon face seal put in their engines. Before installing the carbon face seal at the gear shaft location, the gear shaft must be replaced or modified by removing it from the gearbox (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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