As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD WET AREA MACHINED INTERCOSTAL STA 294 TO 312 RBL 40 HAS CORROSION. GROUNDED - YES. REMOVED CORROSION ON INTERCOSTAL STA 294-312 RBL40 AND FOUND TO BE OUR LIMITS IAW B737-800 SRM 53-10-21-1A-1 AND REMOVED AND REPLACED IAW B737-800 SRM 51-40-02-OG-OW+1" O=.063 R=0.48" L=4" D=.015".