As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GYR - DURING C10 CHECK DISCOVERED CORROSION LOCATED ON FLOORBEAM TEE CAP AT BS 365, FROM BL 35.5R TO BL 45.0R. REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS IAW BOEING 757-200 SRM 53-00-51-1A. MAINTENANCE REMOVED UPPER T CAP IAW BOEING 757-200 SRM 51-40-02. FABRICATED NEW T CAP IAW BOEING G737-300 SRM 53-00-51 FIG 201. INSTALLED FABRICATED REPAIR PARTS IAW BOEING G757-200 SRM 51-00-51.