As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYD 2 LOW QTY ILLUMINATED THEN FOLLOWED BY HYD LOW PRESSURE WITHIN 10 SECS. RESERVOIR 0 PERCENT PRESSURE 0 PSI. AIRCRAFT, SN 9506 RETURNED TO BASE AS AN INFLIGHT EMERGENCY, IFE, WITH A NR 2 HYDRAULIC ISSUE; LANDED UNEVENTFULLY. ACFT USED ENTIRE LENGTH OF RUNWAY AND CLEARED AT TAXIWAY WHERE ACFT TOWED BACK TO HANGAR. FOUND NR 2 CASE DRAIN TUBE ASSEMBLY, PN GD478-1203-1, SEPARATED FROM ITS SWAGED CONNECTOR.