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 727I+9 TO 727L+13 HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE FROM AFT PIT L/H TRANSITION PANEL STA 727I+9 TO 727L+13 IAW B737-900ER SRM 53-00-53-1A-2.2.D ORIG. THICKNESS .040 IAW B737-900ER SRM 53-60-53-OI-2. 100% MAT LOSS & FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2.4.A.2. REPAIRED TRANSITION PANEL IAW B737-900ER SRM 53-00-53-2R-5DOT REMOVED.