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Magnetos never fail.....

> EMERGENCY AD ISSUED FOR 'SLICK' MAGNETOS
> On Wednesday the FAA released emergency AD 2000-11-51 mandating
> replacement of certain Unison (Slick) magnetos on Teledyne Continental
> Motors (TCM) O-300, IO-360, TSIO-360, and LTSIO-520-AE engines. Affected
> magnetos include Unison models 6314, 6324, and 6364 serial numbers
> 99110001 through 99129999 inclusive. The FAA issued the AD in response
> several incidents including an in-flight failure of an IO-360 installed
> in a Cirrus SR-20 in which the magneto impulse coupling stop pin
> migrated out of the magneto frame, causing damage to the gear train of
> the engine and ultimately engine failure. The AD mandates removal and
> replacement of affected magnetos within 10 hours TIS after receipt of
> the AD. Upon removal, suspect magnetos must be inspected to ensure that
> the stop pin is still present. If it's missing, the AD requires
> inspection of the gear train or oil sump to find the missing pin and to
> look for additional damage. TCM will extend warranty coverage to factory
> installations still under warranty. Unison will cover the cost of
> required inspections and parts replacements for all aftermarket parts
> and will extend warranty coverage for any inspections/repairs resulting
> from missing stop pins on a case-by-case basis. Affected aircraft owners
> are encouraged to contact Unison customer service at 815-965-4700 for
> warranty information. For more information and a copy of the AD contact
> AOPA's Pilot Assistance Hotline at 800-872-2672.
>
Bill Rumburg
N403WR  (Sonic bOOm)
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