What was found
FLT 1242 CLT-BOS, CREW DECLARED EMERGENCY DUE TO HYDRAULIC 2 LOW PRESSURE IN FLIGHT. RAN QRC/QRH, AIRCRAFT WAS TOWED TO THE GATE DUE TO HYDRAULIC SYSTEM 2 LOSS. REMOVED AND REPLACED NR 2 ENGINE EDP PER AMM 29-11-01. REMOVED AND REPLACED NR 2 HYD SYS PRESS, RETURN AND CASE DRAIN FILTERS PER AMM 29-11-05. COMPLIED WITH EDP INSPECTION CHECK PER AMM 05-50-23. SERVICED HYD TO FULL, OPS AND LEAK CHECK GOOD.