What was found
DURING C4 CHECK, CABIN FLOOR SUPPORT CORRODED AT BS 397 AND BL 0. R & R FLOOR SUPPORT IAW SRM 51-10-02, 53-00-51-1A & 51-40-02.
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 397 AND BL 0. R & R FLOOR SUPPORT IAW SRM 51-10-02, 53-00-51-1A & 51-40-02.