As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CABIN UTILITY AREA BETWEEN FR 66 & FR 70 FLOOR SUPPORT Y-765 HAS CORROSION. BLENDED OUT CORRODED AREA IAW SRM 51-74-00 DIMENSION L=1.900" W=1.020" D=.065" MAX ALLOWEDD=.027 ORIGINAL MATL.THICKNESS .157 FOUND TO BE OUT OF LIMITS IAW SRM TRM 53-41-15 FIG I. R & R NEW FLOOR SUPPORT -Y765 FR66 TO FR70 IAW SRM 51-42-11 AND TRM 53-21-01.