What was found
ON FLIGHT 3844 DURING THE CLIMB THE CREW REPORTED A HYDRAULIC NR 2 LOAD CLOSE VALVE CLOSED AND OPENED INTERMITTINGLY. WHEN IN THE CLOSED POSITION INBOARD SPOILERON, THE INBOARD FLIGHT SPOILERON RIGHT REVERSER CAUTIONS ILLUMINATED WITH HYDRAULIC 2 SWITCH IN ON POSITION PER AIRCRAFT OPERATING MANUAL SYSTEM NORMAL. THE CREW ELECTED TO RETURN TO ORD. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE RIGHT ENGINE FIRE PUSHBUTTON IAW CRJ 700 AMM 26-21-01. THE OPERATIONAL CHECK WAS GOOD. REMOVED AND REPLACED THE FIRE DETECTION CONTROL UNIT IAW CRJ 700 AMM 26-10-01. THE OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.