What was found
CABIN - FLOORBEAM WB AT STA 1681, RBL 52 FOUND CORRODED AFTER SHEET METAL PTF CLIP REMOVAL. CORROSION EVALUATED AND FOUND MORE THAN 50 PERFORMED THROUGHOUT OF LIMIT IAW SRM 53-00-51-1A, REV 118.0. FLOORBEAM REMOVED AT STA 1681, RBL 70-LBL 70 IAW SRM 51-40-02-06, REV 118.0. FLOORBEAM FABRICATED IAW DWG 146N5111, SHT 1, REV B AND INSTALLED IAW DWG 146N5091 SHT 7, REV A AND 146N8712, SHT 2, REV K. REPAIR CLASSIFIED MAJOR IAW GMM 6-2-100.