What was found
CORRODED SLAT TRACKS, 1 - 2 LT, 2 - 2 LT, 1 - 2 RT, AND 2 - 2 RT AT LT & RT WINGS. SLAT TRACK 1 - 2 LT REPAIRED IAW REO 690-57-42-1456, REV-, SLAT TRACK 2 - 2 LT REPAIRED IAW REO 690-57-42-1454, REV A (VISUALLY INSPECT AT INTERVALS NOT TO EXCEED 4000 FLIGHT HOURS), SLAT TRACK 1 - 2 RT REPAIRED IAW REO 690-57-42-1453, REV-, (VISUALLY INSPECT AT INTERVALS NOT TO EXCEED 4000 FLT HOURS) AND SLAT TRACK 2 - 2 RT REPAIRED IAW REO 690-57-42-1455, REV A, (VISUALLY INSPECT AT INTERVALS NOT TO EXCEED 4000 FLT HOURS).