As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE INSTALLING A NEW SERVICEABLE SLIDE FOUND TO HAVE IMPROPER BACKING PLATE. THERE WAS NO SLOTS CUT INTO TOP OF BACKING PLATE TO LET SLIDE COVER BE INSTALLED. FOUND ELEC WIRE EXTENSION WILL NOT ROUTE PROPERLY. RETURNED TO STOCK UNSERVICEABLE.