What was found
DURING HEAVY CHECK MAINTENANCE FOUND CRACK AT RT HORIZONTAL STABILIZER RIB 12A BETWEEN FRONT SPAR AND MID SPAR. REMOVED AND REPLACED RIB 12A OF RT HORIZONTAL STAB REF SRM 51-40-02 ,51-23-04 AND 51-40-08. A/C REMAINS IN CHECK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY CHECK MAINTENANCE FOUND CRACK AT RT HORIZONTAL STABILIZER RIB 12A BETWEEN FRONT SPAR AND MID SPAR. REMOVED AND REPLACED RIB 12A OF RT HORIZONTAL STAB REF SRM 51-40-02 ,51-23-04 AND 51-40-08. A/C REMAINS IN CHECK.