As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK LT UPPER SEAT TRACK SUPPORT HAS CORROSION (LOCAL LEVEL 2) AT FRAME 50. MX PERFORMED REPAIR AND INSTALLED FABRICATED REPAIR DOUBLER AND FILLER AT LT UPPER SEAT TRACK SUPPORT AT FRAME 50 IAW EC5320-01522, REV B. THE ACFT WAS APPROVED FOR RETURN TO SERVICE.