As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - APPROXIMATE 8 INCHES LONG CRACK RUNNING ALONG TOP EDGE OF SECOND RIB BELOW UPPER CLOSING RIB ON LEFT SIDE OF TRAILING RUDDER. REMOVED AND REPLACED TRAILING RUDDER IAW AMM 27-23-01-000-801 AND 27-23-01-400-801. OPS TEST GOOD. COMPLETED FREEDOM OF MOVEMENT CHECK, ENSURED FULL TRAVEL AND VERIFIED PROPER DIRECTION OF MOVEMENT, NO DEFECTS NOTED. OPERATIONAL CHECK FLIGHT PERFORMED AND PASSED. AIRCRAFT RETURNED TO SERVICE.