As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FORWARD ENTRY DOOR (L-1) INBOARD THRESHOLD SUPPORT 'Z' ANGLE HAS CORROSION ON THE UPPER HORIZONTAL SUPPORT AT STA 318 TO 340 LBL 59. MARKED / FORWARD ENTRY DOOR (L-1) INBOARD THRESHOLD SUPPORT 'Z' ANGLE; WAS REMOVED AND REPLACED ON N/R G597664. CORROSION QUESTIONS ANSWERED.