What was found
YYC: THE FOLLOWING PANEL REBATES ON UPPER CENTER WING AREA ALL HAVE CUT MARKS FROM BOX CUTTERS: 261KT, 261ET, 261BT, 261CT, 261FT, 261HT AND 261LT. MAINTENANCE REPAIRED IAW RD 8/4-53-451, Q40 SRM 51-14-00-350-803, NDTM PART 6, 51-00-01 AND SRM 51-25-10-370-801.