As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLOOR SUPPORT AT FS 986.5 HAS AREAS OF CORROSION FROM BL0 TO RBL 30. GROUNDED - YES. BLENDED CORROSION, FOUND TO BE OUT OF LIMITS IAW B737-900 SRM 53-70-51-1A-1. REPAIRED FLOOR SUPPORT (BEAM) IAW B737-900 SRM 53-70-51-2R-4. W= 1.0" O= .150 R= .113 L= 4.00" D= .037.