As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CABIN AREA R4 DOOR SILL AFT INTE RNAL SECTION SUPPORT STRUCTURE HAS CORROSION AT 2 LOCATIONS STA 1510.5 AND 1535 APPROX. MARKED WITH STREAMER 3259. CORROSION ON R4 DOOR SILL WAS BLENDED AND FOUND TO BE OUT OF LIMITS IAW B767 SRM 53-00-15. R4 DOOR SILL CHORD WAS REMOVED AND REPLACED IAW SRM 51-40-02.