What was found
PDX - CHAFE ON BOTH LEFT AND RIGHT SIDE OF AFT SIDE OF SPEED BRAKE SUPPORT BOX. REPAIRED IAW HORIZON AIR EA 4-53-834.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX - CHAFE ON BOTH LEFT AND RIGHT SIDE OF AFT SIDE OF SPEED BRAKE SUPPORT BOX. REPAIRED IAW HORIZON AIR EA 4-53-834.