As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING REPLACEMENT OF THE FIREWALL, THE FORWARD BULKHEAD OF THE FRONT DOOR POST BULKHEAD ASSEMBLY WAS FOUND CRACKED. THERE WAS A CRACK APPROXIMATELY 3 INCHES IN LENGTH WHERE THE ELEVATOR CONTROL BRACKET ATTACHES TO THE BULKHEAD. THE CRACK APPEARS TO HAVE ORIGINATED FROM THE UPPER RIVET THAT ATTACHES THE BRACKET TO THE BULKHEAD. REPLACEMENT OF PART AS FIX.