As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION WAS FOUND ON THE LT SILL FROM FRAME 42 TO 44 AT THE SCREW HOLES. MX BLENDED THE CORROSION IAW SRM 51-10-03, WAS OUT OF LIMITS IAW SRM 53-22-10. R & R SILL IAW SRM 51-20--03 AND 51-40-02. ALL WORK ACCOMPLISHED AND WILL BE RELEASED AT THE END OF THE CHECK.