Squawk Box

October 2010 Issue

Wear And Tear

The following information is derived from the FAAs Service Difficulty Reports and Aviation Maintenance Alerts.

During normal inspection of the right magneto of a Lycoming IO-540-AB1A5 installed on a Cessna 182T, the distributor brush was found badly worn. Wear is exactly as described in SB3-08, although more extreme, and magneto s/n and manufacturing date are outside the SBs applicability range. The other magneto exhibited more extreme wear signs and also was unaffected by the SB.

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