As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO FLOOR SUPPORT CHANNEL AT LBL 3 BETWEEN BS 1460 AND 1480 HAS CORROSION AT FASTENER HOLES. BLENDED CORROSION IAW SRM 51-10-02. THE FLOOR SUPPORT WAS OUT OF LIMITS IAW SRM 53-00-53. REMOVED AND REPLACED THE FLOOR SUPPORT IAW SRM 51-40-02 AND AMM 54-88-01-801.