As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 1820 -MISC/DE- FLIGHT CREW DECLARED EMERGENCY DURING APPROACH AFTER PARTIAL LOSS OF RIGHT SYSTEM HYDRAULIC QUANTITY AND NBR 2 ENGINE VIBES HIGH. CORRECTIVE ACTION: VIBES WITHIN LIMITS. REPLACED DIFFERENTIAL PRESSURE INDICATOR ON RIGHT ENGINE FILTER MODULE AND SERVICED HYDRAULIC SYSTEMS. (8399000)