What was found
FOUND DURING C-CHECK, SEAT TRACK AND FLOOR BOARD FLANGES HAVE CORROSION AT BL 0 FROM STA 622 TO STA 689. REFER TO CELSIUS TASK CARD 1541, W/O 18843 AND SAAB STATEMENT 340SDS000144. MAINTENANCE REMOVED CORROSION AS REQUIRED IAW 51-70-40 MATERIAL ON FLANGES OUT OF LIMITS, REF SRM 51-10-10. MATERIAL ON WEB OUT OF LIMITS SRM 51-10-10; 51-31-20. REPAIRED FLANGES REF SAAB EO 340SDS000146.