As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFT FULL BULKHEAD AT STA. 228 FOUND CRACKED ON BOTH LEFT AND RIGHT SIDES WHERE RUDDER CONTROL RODS PASS THROUGH THE BULKHEAD. CRACKS RADIATE FROM HOLES 3/32" TO 1/2" TOWARDS THE VERTICAL STAB ATTACHMENT. TWO OTHER AIRCRAFT WERE FOUND WITH SAME CRACKS.