As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER LEVELING OFF AT 3000 FT, MASTER CAUTION LIGHT ILLUMINATED WITH ASSOCIATED RUDDER HYD CAUTION LIGHTS. PRESSURE DROPPED TO ZERO, NO CHANGE IN QTY. R & R NR 2 ENGINE DRIVEN PUMP AND NR 2 CASE DRAIN FILTER IAW 29-10-11 AND 29-10-26. GROUND RUN, OPS CHECKED GOOD.