What was found
(CAN) FIGHT CREW RECEIVED NR 1 HYDRAULIC LOW PRESSURE CAUTION MESSAGE, FOLLOWED QRH, DIVERTED TO BNA FOR REPAIR. MAINTENANCE FOUND 3/4 INCH HYDRAULIC PRESSURE LINE CHAFED, REPAIRED LINE WITH PERMASWAGE FITTINGS IAW AMM. REMOVED AND REPLACED NR 1 HYD EDP, AND FLEXIBLE LINE P/N 601R75147-19 DUE TO APPARENT FLUID SEEPAGE, OPS AND LEAK CHECKED GOOD.