As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE OUTER CHORD OF THE C2 DOOR CUTOUT LOWER SILL WAS FOUND WITH CORROSION ON THE O/B FLANGE BETWEEN FS 950E AND FS 990. THE CORROSION WAS BLENDED AWAY, ROTO PEENED, AND TREATED FOR CORROSION PREVENTION. AN EXTERNAL REPAIR STRAP WAS INSTALLED TO REPAIR THE DAMAGE PER ER/A 377932-14, REV A.