What was found
R1 DOOR AFT FLOOR STRUCTURE HAS CORROSION AT FR20. GROUNDED - YES. REMOVED AND REPLACED R1 DOOR AFT FLOOR STRUCTURE P/N: D5311816020000 AT FR C20R-FR C23R IAW SRM 51-72-911-00 REV 149 AND SRM 51-23-12 REV. 149.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
R1 DOOR AFT FLOOR STRUCTURE HAS CORROSION AT FR20. GROUNDED - YES. REMOVED AND REPLACED R1 DOOR AFT FLOOR STRUCTURE P/N: D5311816020000 AT FR C20R-FR C23R IAW SRM 51-72-911-00 REV 149 AND SRM 51-23-12 REV. 149.