As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD PIT L/H TRANSITION HAS AREAS OF CORROSION STA 500H TO 500L DOT # RSM 13-002. GROUNDED - YES. FWD PIT LH TRANSITION PANEL FROM STA 500H TO 500L OUT OF LIMITS IAW B737-900 SRM 53-00-53-1A-2, REPAIRED IAW B737-900 SRM 53-00-53-2R-5.W= 3 O= .040 R= .015 L= 6 D= .025.