As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT WET AREA INTERCOSTAL STA 907-927 RBL 45 CORRODED. GROUNDED - YES. REMOVED CORROSION AND CHECKED LIMITS. FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-70-51-1A-1. REMOVED AND REPLACED INTERCOSTAL IAW B737-900ER SRM 51-40-02-0G-0. W=1.0 O=.177 R=.114 L=1.0 D=.063.