What was found
ON FLIGHT 4498 THE FLIGHT ATTENDANT REPORTED THE MAIN CABIN DOOR WAS TOO DIFFICULT TO OPEN. THE AIRCRAFT WAS REMOVED FROM SERVICE. FOUND LOOSE BOLTS AT INT DOOR HANDLE BOX. TIGHTENED BOLTS AND LUBED DOOR ROLLERS AND SEALS. DOOR AT HIGH END OF LIMITS IAW EMB MM 53-21-02 AND 52-18-00. PERFORMED THE ADJUSTMENT OF THE PAX DOOR IAW EMB MM 52-18-00 TO REDUCE THE AVERAGE MAX LOAD OF THE INTERNAL HANDLE PULL TEST TO A VALUE OF LESS THAN 45LBS ON OR BEFORE 200FC. THE AIRCRAFT WAS RETURNED TO SERVICE.