As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY CHECK - CRACK ON RIB 11A INTERNALLY ON RT HORIZONTAL BETWEEN MID SPAR AND FRONT SPAR JUST AFT OF 5TH RIVET AND 6TH RIVET FROM FRONT SPAR UPPER RIVET ROW AND 6TH RIVET FROM FRONT SPAR LOWER RIVET ROW. REPAIRED RIB PER ETD2019-170-111835.