As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD MAIN CABIN LT- INTERCOSTAL PLATE ABOVE FLIGHT CONTROL PULLEYS AT LBL 24.75 BAE STA 333.45 AND STA 350.00 IS CORRODED . REMOVED AND REPLACED FLOOR SUPPORT PN 141N5170-30 IAW SRM 51-40-02 FROM STA 324.0 - 345.0 LBL 24.75 "A" MAJOR REPAIR NO FOLLOW-UP REQUIRED.