As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 PYLON LT SKIN, INNERWALL IS CORRODED JUST FWD OF PRE-COOLER. REMOVED AND REPLACED LT SKIN PANEL ASSY IAW SRM 51-40-02 AND DRAWING 311N5002 AND EA F-5450-121408. CORROSION WAS DETERMINED TO BE OUT OF LIMITS IAW SRM 54-50-01. THIS REPAIR IS CLASSIFIED AS A CATEGORY "A" MAJOR REPAIR WITH NO FOLLOW UP TRACKING REQUIRED.