As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD PIT TRANSITION PANEL CORRODED AT STA 500 RBL 26. GROUNDED-YES. REMOVED CORROSION AND CHECKED LIMITS FOUND TO BE OUT OF LIMITS, IAW B737-900 SRM 53-30-15-1A-1. REMOVED AND REPLACED TRANSITION PANEL (SHIELD), IAW B737-900 SRM 51-40-02-0G-0W.5 O .032 R .022 L 1.2 D .010.