What was found
MAIN CABIN FS280 BULKHEAD WEB AT WL79.50 RBL25 "AND RBL46" HAS SIGNS OF CORROSION. REMOVED AND REPLACED SECTION LOWER WEB REPAIR ON MAIN CABIN FS280.00 AT WL79.50 RBL25 AND RBL46 IAW AMM 20-70-00, SRM 51-42-13, 53-00-00, 51-42-06, 51-41-02, 51-42-21, 51-42-24, 51-42-10, 51-25-16, BOMBARDIER REO 670-53-11-594 REV-A.