What was found
RH SLAT TRACK 1-3 HAS FRETTING CORROSION ON UPPER SURFACE 2 EA PLACES , LOSS OF PROTECTIVE COATING ON O/B SIDE AND LOSS OF PROTECTIVE COATING ON I/B SIDE. (C-CHECK RO 11/04/2021) BLENDED FRETTING CORROSION AREAS ON RH SLAT TRACK 1-3 REF-CRJ-900 REO 690-57-42-841 REV-- DATE 2021-10-06 REF, CRJ900 SRM 51-12-00-001-001-A01 REV.38 DATE JUL/25/2020 / COMPLIED WITH TASK 51-900-1002-SKY