As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO LT SIDE TRANSITION Z CHANNEL FROM STA 727 TO 787 HAS MULTIPLE AREAS OF CORROSION. GROUNDED - YES. AFT CARGO LT SIDE TRANSITION Z CHANNEL FROM STA 727 TO 847, REMOVED CORROSION FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2, REMOVED AND REPLACED IAW SRM 53-00-53-2R-6W= 1" O= 040 R= .031 L= 1.8" D= .009.