As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) HYDRAULIC SYS PRESS SWITCH INTERNAL FAILURE CAUSED ALL HYD SYSTEM FLUID TO ESCAPE OUT PRESS SWITCH DRAINING ALL FLUID. LANDING GEAR WAS SELECTED DOWN USING EMER GEAR EXTENSION SYS & ACFT LANDED SAFELY. HYD OPERATED FLAPS & BRAKE SYS WAS AFFECTED ALSO.