As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED LOSS OF HYDRAULIC PRESSURE. PERFORMED EMERGENCY EXTENSION OF THE LANDING GEAR AND DECLARED AN IN-FLIGHT EMERGENCY. REMOVED AND REPLACED THE HYDRAULIC PRESSURE SWITCH. REMOVED AND REPLACED THE EXPLOSIVE BOLTS ON LEFT AND RIGHT MLG DOORS AND PERFORMED FUNCTIONAL/OPERATIONAL CHECK OF LANDING GEAR. SYSTEM CHECKED GOOD. (X)