As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE HYDRAULIC LIGHT CAME ON WITH MASTER CAUTION WARNING. CREW CHECK GAUGES FOR HYD PRESSURE AND FOUND TO BE NORMAL. EMERGENCY ACCUMULATOR INDICATED PRESSURE WAS LOW. NORMAL LANDING WAS MADE AND MAINTENANCE FOUND EMERGENCY ACCUMULATOR COCKPIT INDICATION READING LOW COMPARED TO ACTUAL ACCUMULATOR READING. CLEANED TRANSDUCER CANNON PLUG AND OP CHECKED NORMAL.