What was found
PDX - BRACKET THAT EXTENDS FROM MAIN CABIN DOOR HEADER TO FRAME 3450 IS CRACKED AT RIVET AT FRAME 3450. REPAIRED IAW HORIZON AIR EA 4-53-915.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX - BRACKET THAT EXTENDS FROM MAIN CABIN DOOR HEADER TO FRAME 3450 IS CRACKED AT RIVET AT FRAME 3450. REPAIRED IAW HORIZON AIR EA 4-53-915.