As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) AFTER APPROXIMATELY A ONE HOUR FLIGHT IN HEAVY RAIN, THE PILOT DISCOVERED THE DELAMINATION ON ONE TAIL BLADE HAD PROPAGATED TO APPROXIMATELY 3.5CM (1.37 INCH). PROBLEM WAS INITIALLY FOUND ABOUT 18 HOURS EARLIER, HOWEVER, THE DELAMINATION WAS WITHIN LIMITS AND REPAIRED (SEALED) IAW MRR.