As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD PIT LH TRANSITION PANEL HAS AREAS OF CORROSION STA 500F TO 500L. GROUNDED - YES. DAMAGE FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2 REPAIR TRANSITION PANEL AIW B737-900ER SRM 53-00-53-2R-6 W=3 O=.040 R=.034 L=8 D=.006