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IO-540-d4a5

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Hi, thanks in advance for any info, I am fairly new to the forum. I found a Skybolt out of Annual since 2002, meticulous maintenance and low hours. Question is the IO-540-D4A5 has that crankshaft AD out, I haven't gotten to the log books, but I assume it hasn't been checked, if it needs replacing what's the Cost? Any ideas? Also any quick way of finding out? I was thinking I would request the Engine be signed off for an Annual, but not sure if anyone would be interested in doing just the engine. The wings are off if. Thanks again in advance.

JohnS
 

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