As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT 3396, HYDRAULIC ACCUMULATOR PRESSURE WENT TO ZERO AND THE HYDRAULIC PUMP DID NOT RUN IN AUTO. CREW DECLARED AN EMERGENCY AND LOWERED THE GEAR USING EMERGENCY EXTENSION METHOD (EXPLOSIVE BOLTS). CREW BLEW BOLTS TO DROP GEAR AND AIRCRAFT LANDED WITHOUT INCIDENT.