As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION STRINGER 42L BTW FR58 AND FR 59 IN AFT CARGO COMPARTMENT MEASURE CORROSION ARE L=6.823 INCH W=0.878 INCH D=0.025 INCH. MAINTENANCE PERFORMED PERMANENT REPAIR ON STRINGER 42L BTW FR58 AND FR 59 IN AFT CARGO COMPARTMENT IAW SRM 53-41-13-300-010.