As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(B757-53-3-0480) MAIN CABIN FLOOR STRUCTURE STA 346 RBL 62 GUTT ER SUPPORT CHANNEL CORRODED AT R1. TRANSCRIBED FROM HAECO GSO NRC# 9282302 REMOVED AND REPLACED SUPPORT P/N 141N5160-78 IAW BOEING DWG# 141 N5160 REV B AND B757-200 SRM 51-40-02. HAECO GSO MECH V897676 I NSP QC453