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 STA 727L+13 TO 809 HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE FROM AFT PIT L/H TRANSITION PANEL STA 727L+13 TO 809 IAW B737-900ER SRM 53-00-53-1A-2.2.D ORIGINAL THICKNESS 0.04 IAW B737-900ER SRM 53-00-53-OI-2 100% MAT LOSS & FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2.4.2.A REPAIRED TRANSITION IAW B737-900ER SRM 53-00-53-2R-5. DOT REMOVED.