George in San Diego Posted February 28, 2013 Report Share Posted February 28, 2013 25 hours into ownership (175TT) a strange whistling sound started while cruising at 3,500' in bumpy conditions. Took off my Zulu headset to hear if it was real or created and it is something actually going on aerodynamically up front. The squealing sound starts around 109kts TAS and gets loud quickly with speed or wind gusts. Everything looks fine on the outside. Before removing the cowl I thought id ask if anyone else has experienced this. Doors and windows seem OK. 2008 CTLS Link to comment Share on other sites More sharing options...
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