What was found
DURING C-CHECK, LT UPPER SEAT TRACK SUPPORT FRM 50, LWR ATTACH FASTENERS CORRODED. MX PERFORMED REPAIR IAW SRM 51-40-02 AND EC5320-01522, REV A. WET INSTALLED FASTENERS, EDGE SEALED, ALODINE, PRIMERED AND RESTORED ORIGINAL FINISH IAW CPM 51-21-06. ACFT APPROVED FOR RETURN TO SERVICE.