As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TRAILING RUDDER HAD HOLE TORN IN LEFT LOWER SKIN. HOLE WAS CAUSED BY CLOSING PLATE ON THE BOTTOM OF THE FORE RUDDER COMING OFF. THE CLOSING PLATE WAS MISSING, RIVETS WERE STILL PRESENT. THE FORE AND AFT RUDDERS WERE REPLACED IAW DHC PROCEDURES. A/C RETURNED TO SERVICE. (M)