What was found
(CAN) WHILE PERFORMING THE ACFT DAILY INSP, MX DISCOVERED A HYD LEAK IN THE NR 2 ENGINE "A" SYS RETURN HYDR LINE AT THE ENGINE FIREWALL BULKHEAD IN THE RT AFT AIRSTAIRS AREA. THE HYD LINE WAS R & R WITH A TEMPORARY FLEXIBLE LINE IAW THE ACFT MM AND COMPANY PROCEDURES. THE ACFT WAS RETURNED TO SERVICE WITH NO ADDITIONAL PROBLEMS. THE TEMPORARY FLEXIBLE LINE WAS SUBSEQUENTLY R & R WITH A NEW SERVICEABLE RIGID LINE WHEN IT BECAME AVAILABLE. THERE HAVE BEEN NO FURTHER FAULTS.