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 CORROSION AT STA 400. GROUNDED - YES. REMOVED CORROSION FROM FWD PIT L/H TRANSITION AT STA 400 AND TRANSITION WAS FOUND TO BE WTIHIN LIMITS IAW B737-700 SRM 53-00-53-1A-2.W= 2" O= .040" R= .039" L= 1.5" D= .001".