As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
M/D STA 1920 - 1980 SCD AFT SIDE GUIDE FOUND CORROSION. CORROSION AREA REMOVED AS PER CMM 25-55-06 AND REPROTECTED AS PER SRM 51-20-01 AND CORROSION REMOVED AREA MEASURE L:13" X W:2" X D:0.028", ORG THICKNESS 0.152" WITHIN CMM 25-55-06 LIMITS. NO FURTHER DEFECTS NOTED.