What was found
BPT - FLIGHT 2409, DURING CLIMB THE CREW REPORTED THE LOSS OF ALL HYDRAULIC FLUID FROM THE NUMBER ONE SYSTEM. THE AIRCRAFT RETURNED TO BPT WHERE THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT, REMOVED AND REPLACED THE INBOARD HOSE ASSEMBLY, SERVICED THE HYDRAULICS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.