Squawk Box

November 2006 Issue

Parts And Components

The following information is derived from the FAA’s Service Difficulty Reports and Aviation Maintenance Alerts Unison UREM40E Defective Spark Plugs During the installation and operational check of two new Unison/Slick magnetos—plus harness and eight spark plugs—to correct a hard starting discrepancy, the engine had a 200-300 RPM magneto drop on the left magneto. …

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