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 EXFOLIATION CORROSION ON THE DECK PLATE AT BS 1681 TO BS 1720 AND FROM BL 51.5L TO BL 51.5R. CORROSION WAS REMOVED AND FOUND TO BE OUT OF LIMITS. MAINTENANCE REPAIRED DECK PLATE AT BS 1681 TO BS 1720 AND FROM BL 51.5L TO BL 51.5R IAW BOEING 757-200 SRM 53-60-51-2R2 FIG 201.