As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 2634560) DURING INSPECTION FOUND CORROSION ON INTERCOSTALS FROM STA 500B-500C, STA 500G-500H AND STA 500J-500K AT FWD CARGO COMPARTMENT. INTERCOSTALS (3EA) FROM STA 500B-500C, STA 500G-500H AND STA 500J-500K AT FWD CARGO COMPARTMENT WAS REPLACED PER B737-900ER SRM 51-40-02-0G.