As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT PIT LH SIDEPLATE (TRANSITION PANEL) IS CORRODED MULTIPLE SPOTS STA 727-807. GROUNDED - YES. REMOVED CORROSION, DUE TO 100% MAT LOSS, FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2 FABRICATED, LOCATED, DRILLED & INSTALLED NEW TRANSITION PANEL SIDEPLATE IAW B737-900ER SRM 53-00-53-2R-5 STEPS 4.B-LW .8 O .040 R 0 L 1" D .040.