What was found
DURING CLIMB OUT AFTER TAKEOFF, THE NR 1 HYDRAULIC SYSTEM FAILED. MAINTENANCE FOUND DRIVE SHAFT DISENGAGED FROM THE NR 1 HYDRAULIC PUMP. REPLACED PUMP.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CLIMB OUT AFTER TAKEOFF, THE NR 1 HYDRAULIC SYSTEM FAILED. MAINTENANCE FOUND DRIVE SHAFT DISENGAGED FROM THE NR 1 HYDRAULIC PUMP. REPLACED PUMP.