As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 0452940) CORROSION ON EQUIPMENT COOLING EXHAUST DUCT DOUBLER STA 360-380 BL 0. REMOVED CORRODED EQUIPMENT COOLING EXHAUST DUCT DOUBLER, FABRICATED A NEW DOUBLER FROM 2024 T3 .050" LOT# 5142707-1, AND INSTALLED NEW DOUBLER IAW B737 SRM 51-40-02-0G-0 AND BOEING DWG# 143A3230.