What was found
AFT MAIN CABIN AT FR69 RBL31 FLOOR SUPPORT STRUCTURE HAS CORROSION. REMOVED AND REPLACED FLOOR SUPPORT STRUCTURE AT MAIN CABIN FR 68 TO FR70 RBL31. IAW DWG D53472201 REV B AND SRM 51-42-00 AND SRM 51-72-11-911-001
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFT MAIN CABIN AT FR69 RBL31 FLOOR SUPPORT STRUCTURE HAS CORROSION. REMOVED AND REPLACED FLOOR SUPPORT STRUCTURE AT MAIN CABIN FR 68 TO FR70 RBL31. IAW DWG D53472201 REV B AND SRM 51-42-00 AND SRM 51-72-11-911-001