As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT PIT R/H CARGO TRACK HAS AREAS OF CORROSION AT STA 807 TO 827. GROUNDED - YES. PERFORMED SURFACE BLEND REMOVED CORROSION FOUND TO BE OUT OF LIMITS REMOVED AND REPLACED CARGO TRACK AT STA 767 +10 TO STA 887 WITH NEW REPAIR PARTS IAW B737-800 SRM 51-40-02-0G-0 SRM 53-00-53-22R-3.W= 3" O= .075 R= .050 L= 2" D= .025.