As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - DURING C11 CHECK DISCOVERED LEVEL 2 CORROSION ON STANDOFF BRACKET FOR THE R4 FORWARD CORNER SCUFF PLATE. STAND OFF BRACKET IS PART OF THE DOOR STRUCTURE MAKING IT PRIMARY STRUCTURE. NO CORROSION LIMITS WERE AVAILABLE IN THE SRM. MAINTENANCE REMOVED AND INSTALLED NEW STAND OFF BRACKET FOR THE R4 FORWARD CORNER SCUFF PLATE IAW BOEING 757-200 SRM 51-40-02-0G FIG 12.