As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TWO ANGLES THAT ARE THE FORWARD MOUNTING STRUCTURE OF THE VERTICAL STABILIZER TO THE HORIZONTAL STABILIZER HAVE 2 HOLES EACH WITH BOLTS THAT ATTACH THE HORIZONTAL STAB., AND 5 HOLES EACH WITH 4 LOCKBOLTS INSTALLED THAT ATTACH TO THE VERTICAL STAB. THE TOP HOLE ON EACH ANGLE IS DRILLED THRU EACH STRUCTURAL PART EXCEPT P/N 101-640011-11 WHICH IS THE PRIMARY HOLE OF THESE INTERCONNECTING PARTS AND THIS FASTENER WAS NEVER INSTALLED.