As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY CHECK MAINTENANCE FOUND FWD FUSELAGE LOWER FRAME SHEAR CLIP CORRODED AT FR16, BETWEEN STGR 27L AND STGR 28L. FWD FUSELAGE LOWER FRAME SHEAR CLIP AT FR16, BETWEEN STGR 27L AND STGR 28L REMOVED AND REPLACED IAW EMB 170 SRM 51-41-02 AND 51-43-01.