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In recent months I have spent great deal of time and money chasing minor engine leaks which now seem to be clearly related to the front seal which has been replaced 3 times to no avail. So, weighing the options we removed engine for overhaul. As this was happening a mechanic not working on the aircraft noticed a raised edge along the top of the spar ... about a pencil width and minimal raise but still there on the edge through the right walkbox. Closer inspection of the spar shows no raising inside the cabin or on the left side - only this line on the right. I had an Engineer familiar with Ercoupes come by to review , and he concurs but notes that it is "minor" and oddly is not on the lower spar. We have not broken the surface as yet. So, in one week went from serviceable and flying to perhaps terminal, especially as the CDN $ makes anything too expensive. My question is - in light of the coming focus on this area(proposed AD) and the age of these planes , at what point do you start parting out? I would never minimize the corrosion although it may be "repairable" , but also don't want to be too quick in ascribing a 'coupe to history . I clearly recall many Piper owners dumping Cherokees and Comanches who later learned the root cause was not as reported. These aircraft were well constructed compared to many later designs , but who knows what an aircraft "life" truly is. I'd appreciate any/all insight on whether even considering repair makes any sense. I am prepared for the engine work costs, but all is on hold as we assess the airframe. Is anyone "expert" in exfoliation corrosion? Thanks/Jim .. sn4861 ==^================================================================ This email was sent to: [EMAIL PROTECTED] EASY UNSUBSCRIBE click here: http://topica.com/u/?aVxiLm.aVzvvT Or send an email to: [EMAIL PROTECTED] T O P I C A -- Register now to manage your mail! http://www.topica.com/partner/tag02/register ==^================================================================
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