As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO SILL WEB HAS CORROSION REMOVED CORROSION FROM AFT CARGO SILL WEB ORIGINAL M AT. THIC .045 IAW BAC DWG #146A8123 REV:-F, MAT. LOST .016 AND REMAINING THIC. .029 FOUND TO BE OUT OF LIMITS IAW B737-900 SRM 53-00-53-1 A-2. REMOVED AND REPLACED NEW AFT CARGO SILL WEB IAW BAC DWG