Squawk Box

April 2004 Issue

Squawk Box: 04/04

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

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Meridian Electronics
Piper Meridian turboprops experienced another bout of teething pains with a new airworthiness directive requiring electronic control modules to be replaced with new ones. The airworthiness directive comes on the heels of reports of smoke in the cockpit and a loss of electrical system function. The electronic control modules can short circuit, with internal electrical arcing. In characteristic FAA understatement, the agency says the combination of smoke and loss of function could lead to “the inability to properly control the airplane...

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