As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*** WHILE THE AIRCRAFT WAS OUT OF SERVICE FOR HEAVY CHECK *** MAJOR... A 0.465 INCH CRACK WAS FOUND ON LH WING LOWER SKIN @ RIB 17 AND STR 19. CRACK WAS REPAIRED IAW ETD2018-170-125321 REV A. AIRCRAFT REMAINS OUT OF SERVICE FOR HEAVY CHECK