Squawk Box

August 2001 Issue

Gyro Legacy

Late Gov. Carnahan’s legacy includes gyro system inspections, maybe an AD

The following information is derived from the FAA’s Service Difficulty Reports and Aviation Maintenance Alerts.

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The FAA has issued a Special Airworthiness Information Bulletin that warns of possible AD action requiring gyro backups for IFR flight.

The SAIB cautions pilots to conduct a condition check of the vacuum or pressure system prior to each IFR flight.

Last fall’s crash of a Cessna 335 carrying Missouri Gov. Mel Carnahan prompted a review of service difficulty reports of vacuum system components. In the past 27 years, mechanics have filed 2,003 reports – 18 in the 12 months prior to the bulletin.

Parker Hannifin (Airborne) has acknowledged a potential late...

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