As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SIGNS OF CORROSION LH SILL (UNDER FLOOR) BETWEEN FRM 61 AND FRM 64 ABOVE STGR 16. REMOVED DAMAGE SILL, LOCATED AND DRILLED NEW SILL AT LH FLOOR SUPPORT BETWEEN FR 61-64 STR 16L. APPLIED ALODINE AND PRIME HOLES. INSTALLED NEW SILL AND APPLIED TOP COAT.