What was found
IAH - DURING C-CHECK INSPECTION, FOUND AFT CARGO DOOR THRESHOLD BUTT-STRAP CORRODED FROM FRAMES 39 TO 44. MAINTENANCE REMOVED AND REPLACED THE BUTT-STRAPP IAW EMB-120 SRM 51-40-02. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. TT: 12,919.5 HOURS. TC: 23,160. (X)