As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FOUND ON FLOOR SUPPORT AT STA 947.5 + 5 RBL53 . REMOVED CORROSION ON FLOOR SUPPORT ( INNER CHORD ) AT STA 947.5+ PER REF. B737-800 SRM 53-70-15. REMOVED AND REPLACED INNER CHORD ( P.O#1637761) AS PER B737-800 SRM 51-40-02 AND DRWG#147A8501 DATA WAS TRANSCRIBED FROM PAPER DOCUMENT : RBL 53 AS PER B737-800 SRM 51-10-02. FOUND TO BE OUT OF LIMITS.