What was found
DURING ROUTINE MAINTENANCE CHECK, FOUND CORROSION ON UPPER SURFACE OF AFT CARGO DOOR FLOOR SUPPORT AT BS 1380 TO 1440, RBL 20, WL 158. REMOVED AFT CARGO DOOR FLOOR SUPPORT, FABRICATED NEW FLOOR SUPPORT AND INSTALLED AT BS 1380 TO 1440, RBL 20, WL 158 PER SRM 51-30-01, 53-60-53, 51-40-02.