The cases in question were stamped "WDC 55685" That was the reason give for
their rejection. Nothing else. One big problem is the rebuilder is now out
of business so we can't go back to them and tell them that Lycoming doesn't
approve their processes. Also the 3 grand in questionis quite possibly just
low enough not to justify the fees to fight for it. Sad!!
And by the way we do have it in writing "While Lycoming will accept
field-overhauled engines for exchange, engines that have been field
overhauled and subsequently fail are not acceptable for core credit. " But
read on "Engine cores with a crankshaft or crankcase deemed unreusable by
the factory, for any reason, are subject to reductions." Bottom line read
all the fine print.

"Mike Spera" wrote in message
...

Can't argue with any of that. However, one of the supposed advantages of
getting a Lycoming factory engine is that you know up front exactly what
the
cost will be. No unpleasant surprises like you might get in a field
overhaul. If your old engine is running well, has had benign oil
analysis
results, and has not been mistreated, it is reasonable to expect that you
will get your core deposit back.
Ah, but here is where the disconnect appears to be. They said the
evaluation was at their sole discretion. I understand your disappointment
that all signs pointed to reuse. Your observed conditions did not appear
to have any impact on how they arrived at their conclusion. They may look
at journal alignment, case mating surface condition, surface fractures at
known stress points, etc. I think your concern is that simply saying
"reject" does not go a long way to customer satisfaction when thousands of
your dollars hang in the balance. Cannot argue. Seemingly arbitrary and
costly decisions will rile most folks.


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