As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENROUTE, THE CREW DECLARED AN EMERGENCY AND LANDED. THE REPORT IS BOTH HYDR SYS QUANTITY WAS INDICATING LOW, LOCATED A LOCAL TECH IAW AIR CARRIER MM SECTION 3.02. CHECKED THE QUANTITY IN THE HYDR RESERVOIRS AND VERIFIED THAT THEY WHERE LOW, SERVICED IAW COMPUTERIZED MAINT PROGRAM (CMP) 291057. ACFT CONTINUED AFTER SERVICING TO FINAL DESTINATION.