As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FUSELAGE STATION 1821 HAS CORROSION AT LOWER FRAME END, AS SEEN FROM BULK PIT UPPER TORQUE BOX. CORROSION EXCEEDS LIMITS IAW DC10 SRM 53-00-01 VOL 1. FABRICATED AND INSTALLED REPAIR IAW DC10 SRM 50-30-00 FIGURE 5, VOLUME 1. REFERENCE NON ROUTINE N01499.