As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA FLIGHT NR 2189, WHEN NR 1 STANDBY HYDRAULIC PUMP PRESSURE TURNED ON NR 1 STANDBY HYDRAULIC PUMP HOT CAUTION LIGHT. WHEN PUMP TURNED OFF PER CHECKLIST, LIGHT REMAINED ILLUMINATED. SWAPPED STANDBY PUMP TEMP SENSOR TO SPARE IAW AMM 29-11-17, PAGE 501. OPERATIONAL CHECK GOOD. PLACED ON RSI. AIRCRAFT RETURNED TO SERVICE.