What was found
LEFT WING UPPER SURFACE TRAILING EDGE PANEL NR 575BT CUTOUT SUPPORT ANGLE CRACKED AT STATION 490. CLEANED AREA IAW FEDEX A310-200 SRM 51-23-10 PG 1. ACCOM. HFEC INSP. PER A310 NTM 51-10-08. VERIFIED AREA IS CRACKED. USED TOOL TWS 8209A. UNABLE TO MARK END OF CRACK DUE TO CRACK RUNS TO BOTTOM OF WING T/E. RECEIVED FINAL RFTS N416FE-7-36189 W/ EA6-5750-113009. ACCOMPLISHED HFEC OF ADJACENT SKIN AREA IAW A310 NTM 51-10-08 USING T8257A. NO CRACKS NOTED. INSTALLED FASTENERS IAW A310-200 SRM 51-40-21 PG 24 AND PG 90.