As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE 2 YEAR INSPECTION, THE AISLE LEFT SIDE SEAT TRACK BL 18.3 WAS FOUND TO HAVE AREAS OF CORROSION FROM STA 294.0 TO STA. 325.0 BEYOND LIMITS PER SAAB SRM. THE AISLE LEFT SIDE TRACK WILL BE REPLACED WITH A NEW SEAT TRACK SECTION IAW MESABA EO NR S53060 ON MM409#223574.