What was found
WHILE IN HEAVY CHECK - RT HORIZONTAL INTERNAL BETWEEN THE FRONT SPAR AND THE MIDDLE SPAR RIB 12 CRACKED ON THE UPPER FLANGE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE IN HEAVY CHECK - RT HORIZONTAL INTERNAL BETWEEN THE FRONT SPAR AND THE MIDDLE SPAR RIB 12 CRACKED ON THE UPPER FLANGE.