What was found
DURING C4/S1 CHECK, INSPECTION REPORTED FLOOR THRESHOLD PANEL 221FF CORRODED TO EDGE. REMOVED AND REPLACED THRESHOLD PANEL 221FF IAW AMM 53-12-12 AND WORK CARD CP753-12.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING C4/S1 CHECK, INSPECTION REPORTED FLOOR THRESHOLD PANEL 221FF CORRODED TO EDGE. REMOVED AND REPLACED THRESHOLD PANEL 221FF IAW AMM 53-12-12 AND WORK CARD CP753-12.