What was found
ON CAC - FLT 89 - A/C AIR RETURNED TO MIA, DUE TO LEFT HYD QTY LOSS OVERWEIGHT LANDING OCCURRED (98,000). ON GROUND MAINTENANCE, REMOVED AND REPLACED NR 1 ENGINE HYD PUMP PRESS LINE. OPS LEAK CHECK OK. PERFORMED OVERWEIGHT LANDING INSPECTION PER MM 5-51-35. NO DISCREPANCIES NOTED. A/C RETURNED INTO SERVICE. (M)