As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT PIT FLOOR STRUCTURE INBD OF DOORWAY SILL WEB HAS CORROSION ON UPPER SURFACE OF CHORD AT STA 800 FASTENER HOLE. GROUNDED - YES. REMOVED CORROSION AND CHECKED LIMITS FOUND CHORD UPPER SURFACE STRAP OUT OF LIMITS IAW B737-800 SRM 53-60-15-1A-1. REMOVED AND REPLACED STRAP IAW B737-800 SRM 51-40-02-0G-0 AND B737-800 SRM 51-40-05-0G-0 FIG 2W- 1.0 O- .100 R- .053 L- 1.25 D- .047.