As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-05 CHECK CORROSION WAS FOUND ON RT TORQUE BOX STRINGER BETWEEN BS 1105 AND BS 1117, STR 13 RT. MAINTENANCE REMOVED CORRODED RT TORQUE BOX STRINGER FROM BS 1105 TO BS 1117, STR 13 RT; INSTALLED NEW REPLACEMENT STRINGER IAW B737-300 SRM 51-40-02, FIG 3 AND 8.