What was found
FLIGHT 4604. RECEIVED LOSS OF PRESSURE IN NR 2 HYD SYSTEM DURING APPROACH PHASE. APPROACH ABORTED, RAN APPROPRIATE CHECKLIST. EMERGENCY DECLARED AS A PRECAUTION. LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND HYD TUBE IN AFT COMPARTMENT LEAKING. REPAIRED HYD TUBE IAW 20-30-00. OPERATERATED HYD SYS IAW 29-10-00. OPS CHECKED GOOD, NO LEAKS DETECTED. INSTALLED 2 HYD TUBE BLOCK CLAMP IAW 20-30-00. AIRCRAFT RETURNED TO SERVICE