As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - UPON LANDING HYDRAULIC SYSTEM NR 1 LOST PRESSURE. ENGINE PUMP RAN 10 MINUTES AFTER PRESSURE LOSS, AND ELECTRIC PUMP RAN 5 MINUTES. MAINTENANCE FOUND THE NR 1 FEEDBACK ACTUATOR ON THE THRUST REVERSER LEAKING AT THE LOWER DRIVESHAFT ATTACH POINT DUE TO BROKEN ATTACH HARDWARE. REPLACED THE ACTUATOR. OPERATIONAL CHECKS GOOD AIRCRAFT RETURNED TO SERVICE.