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 BS 333.45 AND STA 350.00 IS CORRODED. REMOVED AND REPLACED FLOOR SUPPORT P/N 141N5170-30 IAW SRM 51-40-02 FROM STA 324.0 - 345.0 LBL 24.75 "A" MAJOR REPAIR NO FOLLOW-UP REQUIRED.