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  #31  
Old 12-17-2018, 10:00 AM
Flynfrfun Flynfrfun is offline
 
Join Date: Oct 2016
Location: Bonney Lake, WA
Posts: 27
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I'm looking at a used RV12 and it's engine falls under this bulletin. I haven't seen any further posts about this issue since 2013. Has anyone actually found a crank crack and had to have the engine torn down? The plane I'm looking at has had the inspection done yearly with nothing found. Wondering if I need to worry about this or not? Thanks for any input.
Josh

Last edited by Flynfrfun : 12-17-2018 at 10:35 AM.
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  #32  
Old 12-17-2018, 12:27 PM
rvbuilder2002 rvbuilder2002 is offline
 
Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 7,957
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Quote:
Originally Posted by Flynfrfun View Post
I'm looking at a used RV12 and it's engine falls under this bulletin. I haven't seen any further posts about this issue since 2013. Has anyone actually found a crank crack and had to have the engine torn down? The plane I'm looking at has had the inspection done yearly with nothing found. Wondering if I need to worry about this or not? Thanks for any input.
Josh
Since Rotax bothered to issue the SB it implys that it is possible, but the company airplane that we have that has an engine that was listed, has always passed the test and it has now accumulated enough hrs (1000 if I remember the SB correctly) that the test is no longer required.

I guess the question to ask would be "what is Rotax willing to do to cover the repair if a crack is detected during the 1000 hr period" I don not know the answer.
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  #33  
Old 12-17-2018, 04:58 PM
Flynfrfun Flynfrfun is offline
 
Join Date: Oct 2016
Location: Bonney Lake, WA
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Originally Posted by rvbuilder2002 View Post
I guess the question to ask would be "what is Rotax willing to do to cover the repair if a crack is detected during the 1000 hr period" I don not know the answer.
Yeah, that's the question.

But the good news is I've only read about a couple of broken/cracked cranks in my web search, so the odds of it happening must be fairly low. Thats why I asked here...since a lot of the earlier RV12's likely had engines covered by this ASB.
Josh
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