As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 4K INSPECTION IN LCQ, EVIDENCE OF HEAVY CORROSION UNDER EXTERNAL DOUBLER STA 248 SL1527-SL1627. DURING 4K CHECK, CORROSION WAS FOUND OF THE TCAS ANTENNA DOUBLER AND LOWER FUSELAGE SKIN. REPAIRED IN IAW MESABA EO S53232. A/C RELEASE DATE 6/24/04.