As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE MX BASE CHECK FOUND CORROSION ON THE RT WING ASSY LOWER SLAT-STRIP UPPER SUFACE NEAR RIB 12. THE ACFT WAS REMOVED FROM SERVICE. CORROSION WAS FOUND OUT OF LIMITS ON RT L/E WING ASSY LOWER SLAT-STRIP UPPER SURFACE NEAR RIB 12. PERFORMED SRI DO/TS-3915/11-15634 AND SRAS DO/TS-4162/03-1…2651 ISSUE B.