What was found
DURING C4 CHECK. CABIN FLOOR SUPPORT CORRODED AT BS 1660 AND RBL 56. R & R FLOOR SUPPORT IAW SRM 53-60-15, 51-40-02 & 51-30-01.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING C4 CHECK. CABIN FLOOR SUPPORT CORRODED AT BS 1660 AND RBL 56. R & R FLOOR SUPPORT IAW SRM 53-60-15, 51-40-02 & 51-30-01.