What was found
YYC - CORROSION FOUND ON UPPER FRAME FLANGE OF FRAME 14755, IN VICINITY OF STRINGER 2. CORROSION BLENDED IAW FOKKER SRM 51-10-04, PAGE 9, PARAGRAPH 4A. CORROSION BLENDED IAW FOKKER SRM 51-10-4, PAGE 9, PARAGRAPH 4A. FOUND TO BE BEYOND ACCEPTABLE LIMITS. REPAIRED IAW HORIZON AIR EA 4-53-1487.