As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT PIT L/H TRANSITION PANEL HAS CORROSION STA 757A+11 TO STA 807. GROUNDED - YES. DAMAGE FOUND TO BE OUT OF LIMITS IAW B737-900 SRM 53-00-53-1A-2. REMOVED AND REPLACED DAMAGED SECTION OF TRANSITION PANEL IAW B737-900 SRM 53-00-53-2R-5W 3 O .040 R .028 L 20 D .012.