As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT PIT RT TRANSITION PANEL HAS AREAS OF CORROSION FROM STA 727 TO STA 787. GROUNDED - YES. THE AFT PIT RH TRANSITION PANEL WAS FOUND TO HAVE CORROSION IN SERVERAL SPOTS THAT WERE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2. FABRICATED AND INSTALLED NEW RH TRANSITION PANEL FROM STA 727-STA 767 IAW B737-800 SRM 51-40-02-0G-0W= 1" O= .040" R= .032 L= 1" D= .008".