Marvin Kaye wrote:

I received a phone message from a Mr. Ben Holman of the Orlando FSDO that
said when in doubt to look to FAR 43 Appendix A regarding major/minor, but
that in his estimation, the modification of the cooling duct would likely
not be cause for a reinspection.  It may, however, be cause for a few
additional hours of flight testing, but that's up to the individual FSDO
officer who reviews the advice of modification.  In a nutshell, the
operating limitations as outlined in FAR 21.93 require that the FAA be made
aware of the change in writing, and they will act on it as appropriate.  If
you check your insurance policy it probably says something about coverage
being dependent on an in-force and valid airworthiness certificate.  The
act of sending the FAA the notification of the change keeps you within the
bounds of the FARs and protects the status of your AC.

After this contact with the FAA I would have to say that they appear to be
generally helpful and willing to assist with keeping you on the straight
and narrow.  Send them the brief letter and your butt is covered.  When you
boil it all down, it's pretty cheap insurance insurance <g>.

    <Marv>

 
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