<<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>>
         <<  Lancair Builders' Mail List  >>
         <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>>

Walter,  I mistakenly referred to the iv-p window fix as an AD.   I looked
up in the paperwork that I have and found that it is a Service Bulletin.  It
is SB040-1197, subject Lancair iv-p cabin door window 10 Dec., 97 mandatory.
It states " on two occasions, Lancair iv-p's, while pressurized, have
experienced cracks in the cabin door windows.  In both cases the cracks
originated at the screws securing the two middle cabin door latches (the
screws penetrate the window at the two center latches).  In both cases the
cracks propagated outward and caused parts of the window to break loose.
The following fix is considered mandatory prior to pressurized
flight..........".  I am aware now of two explosive decompressions affecting
iv-p's.  I would like to know if any others have occured and if any have
occured following the corrective action of SB040-1197.  John Wright iv-p
Colorado Springs

LML website:   http://www.olsusa.com/Users/Mkaye/maillist.html
Builders' Bookstore:   http://www.buildersbooks.com/lancair

Please send your photos and drawings to marvkaye@olsusa.com.