As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEVEL 2 CORROSION, BELOW CABIN FLOOR RIGHT SIDE AFT OF STATION 369 AND BELOW MOST INBOARD PACK DUCT PLENNUM HAS CORROSION. REMOVED DAMAGED AREA CLEANED AND TREATED CORROSION FABRICATED AND INSTALLED REPAIR PER RICH DRAWING L15310-5022 SHEETS 1, 2 AND 3. (W)