What was found
YYC - RT ENGINE UPPER AND LOWER FAN COWLS HAVE CHAFE/WEAR DAMAGE ON THE TORQUE BOX STRUCTURE. REPAIRED IAW REO 670-78-34-364 AND HORIZON AIR EA R-71-104.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
YYC - RT ENGINE UPPER AND LOWER FAN COWLS HAVE CHAFE/WEAR DAMAGE ON THE TORQUE BOX STRUCTURE. REPAIRED IAW REO 670-78-34-364 AND HORIZON AIR EA R-71-104.