What was found
YYC - LEFT OUTBOARD FLAP INBOARD GUIDE ROLLER FITTING HAS FRETTING CORROSION AND GOUGED. REPAIED IAW HORIZON AIR EA R-57-93 AND REO 670-57-53-017.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
YYC - LEFT OUTBOARD FLAP INBOARD GUIDE ROLLER FITTING HAS FRETTING CORROSION AND GOUGED. REPAIED IAW HORIZON AIR EA R-57-93 AND REO 670-57-53-017.