As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(SUPPORT TASK) FLOOR SUPPORT STA 312 TO 320 RBL10 HAS CORROSION ON UPPER SIDE. EVALUATED FLOOR SUPPORT BETWEEN STA 312 TO 320 RBL10 ORIGINAL MATERIAL THICKNESS 0.080, REMAINING THICKNESS 0.055, MATERIAL LOSS 0.025, OUT OF LIMITS IAW B737-800 SRM 53-10-51-1A-1 ALLOWABLE DAMAGE/SECTIN 41 FIG. 105 DETAIL C SHEET. REMOVED AND REPLACED FLOOR SUPPORT IAW SRM 51-40-02 AND SRM 51-40-05 ESFR COMPLETED