As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SURFACE CORROSION FOUND ON PYLON NUMBER ONE LEFT SIDE INNER SKIN AFT OF ACCESS PANEL 433CL. EVALUATE AND RECTIFY. REPLACED LEFT SIDE INNER SKIN AFT OF ACCESS PANEL 433CL OF PYLON NUMBER ONE IN ACCORDANCE WITH BOEING DRAWING 311N5046, BOEING DRAWING 311N5002, AND B757-200 SRM 51-10-02 REV 93. REPAIR CLASSIFIED AS MAJOR PER FEDEX GMM 6-02-100 CRITERIA.