As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) 15 MM CRACK ON TRAILING EDGE ON UPPER AND LOWER SURFACE ORIGINATING UNDER TRIM TAB. SEE ATTACHED PHOTO WITH TRIM TAB REMOVED. NOT DETECTED UNTIL TRIM TAB REMOVED FOR ANOTHER REASON. TC COMMENTS: THIS PARTICULAR BLADE HAS A LIFE OF 4000 HOURS BUT WAS FOUND CRACKED AT 2756.3 HOURS. THIS IS SECOND TIME ORIGINATOR HAS FOUND A CRACK IN THIS AREA AT TE TRIM TAB (SEE SDR 20010112017).