As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***WHILE A/C WAS OUT OF SERVICE FOR HEAVY CHECK*** CF III AFT WET AREA FLOOR STRUCTURE FR 89 RH OB PANEL SUPPORT FOUND CORRODED. CF III AFT WET AREA FLOOR STRUCTURE FR 89 RH OB PANEL SUPPORT REMOVED AND REPLACED IAW SRM 51-43-03 & 51-42-01.