As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT 3719, CORROSION, AFT WET INTERCOSTAL STA 947+4 LBL 50 WL 208. CORRECTIVE ACTION: EVALUATED DAMAGE ON L/H STA 947+4 LBL 50 WL 208 INTERCOSTAL AND FOUND TO BE OUT OF LIMITS IAW B737-SRM 53-20-51-1A PARG 4A. (2) INSTALLED NEW INTERCOSTAL PN: 147A5660Y21 IAW B737-800 SRM 51-40-02-0G AND DWG 147A5650. (LP 0255421)