As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) ELEVATOR SKIN OUTBOARD OF THE RH TRIM TAB FOUND WITH SMALL CRACK. WITH FIRM FORCE APPLIED TO THE TRAILING EDGE, THE CRACK OPENED UP TO 127MM (5IN) IN LENGTH. CLOSER INSPECTION REVEALED SEVERAL MORE CRACKS. CRACKING WAS INITIATED BY CORROSION. SUSPECT SKINS ARE MADE OF MAGNESIUM ALLOY.