What was found
DURING HEAVY CHECK, RT HORIZONTAL STABILIZER, RIB 11 IS CRACKED 5 RIVETS BACK FROM FORWARD SPAR TOP SKIN ATTACH POINT. MAINTENANCE REPAIRED RIB 11A IAW ETD 2016-170-034759 CUTOFF CRACKED FLANGE, FABRICATED AND INSTALLED NEW ONE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY CHECK, RT HORIZONTAL STABILIZER, RIB 11 IS CRACKED 5 RIVETS BACK FROM FORWARD SPAR TOP SKIN ATTACH POINT. MAINTENANCE REPAIRED RIB 11A IAW ETD 2016-170-034759 CUTOFF CRACKED FLANGE, FABRICATED AND INSTALLED NEW ONE.