As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND DURING C-CHECK, SEAT TRACK AND FLOOR BOARD FLANGES HAVE CORROSION AT LBL 18 FROM STA 622 TO STA 589. REFER TO CELSIUS TASK CARD 1540 W/O18843 AND SAAB STATEMENT 340SDS000144. MAINTENANCE REMOVED CORROSION AS REQUIRED IAW SRM 51-70-40 MATERIALS ON FLANGES OUT OF LIMITS, SRM 51-10-10. REPAIRED FLANGES REF SAAB EO 340SDS000144.