As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA FLIGHT NR 2459: NR 2 RUD HYD CAUTION AND NR 2 HYD PRESS BLANK. AIRCRAFT RETURNED TO BLOCK. MAINTENANCE INSPECTED AND FOUND NR 2 HYD CIRCUIT BREAKER POPPED. RESET BREAKER AND GROUND RAN NR 2 ENGINE. NR 2 HYD CAUTION LIGHT EXTINGUISHED. OPS CHECK OF NR 2 HYD PRESSURE INDICATION AND OPERATION IS GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.