What was found
DURING C4 CHECK, CABIN FLOOR SUPPORT CORRODED AT BS 1655 AND LBL 62. FABRICATED AND INSTALLED REPLACEMENT FLOOR SUPPORT IAW SRM 51-10-02, 53-60-15-1A-1, 51-40-02, 51-30-01 AND 51-20-01.
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 1655 AND LBL 62. FABRICATED AND INSTALLED REPLACEMENT FLOOR SUPPORT IAW SRM 51-10-02, 53-60-15-1A-1, 51-40-02, 51-30-01 AND 51-20-01.