As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY CHECK - LT HORIZONTAL STABILIZER RIB 11 CRACKED BETWEEN FRONT AND MID SPAR AT 5TH FASTENER FROM THE FRONT AS MARKED. REPAIRED LT HORIZONTAL STABILIZER RIB 11 BY CUT OUT AND INSTALLATION OF L-ANGLE REPAIR PER ETD2019-170-124594.