As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOI FLIGHT NR 2302: DURING CLIMB AND CRUISE, NR 2 HYD PRESS FLUCTUATED BETWEEN 3000-2200 QTY GOOD. MAINTENANCE REMOVED AND REPLACED THE NR 2 HYD PRESS TRANSDUCER IAW AMM TASKS 29-30-01-000-801 AND 29-30-01-400-801. LEAK CHECK C/W AND HYD FLUCTUATIONS NOTED. AIRCRAFT RETURNED TO SERVICE.