As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD CABIN INTERCOSTAL BETWEEN STA 312 AND STA 328 AT LBL 46 WL 208.1 HAS CORROSION AROUND FASTENER HOLE AS MARKED. (REF AAR NR 9672202) REMOVED AND REPLACED INTERCOSTAL AT FWD CABIN BETWEEN STA 312 AND STA 328 AT LBL 46WL 208.1 IN REF B737 SRM 51-40-02-0G-0 AND DRAWING 141A5400. ACCOMPLISHED BY V922796.