What was found
REF NON ROUTINE C075806. DURING DEN C4/S1 C-CHECK, INSP NOTED CORROSION ON THE SEAT TRACK LOCATED AT FRAMES 64 TO 66 AND STA Y1292. MX REMOVED AND REPLACED SEAT TRACK IAW SRM 51-42-11, SRM 53-41-14, SRM 51-44-11, SRM 51-21-00, SRM 51-75-00 AND SRM 51-72-11.