What was found
(CAN) UPON CLIMBING, CREW RECEIVED A HYDRAULIC NR 1 LOW PRESSURE MESSAGE, ASSOCIATED WITH A NR 1 SYSTEM, QUANTITY INDICATING ZERO PERCENT. AIRCRAFT DIVERTED TO BIRMINGHAM. MAINTENANCE FOUND A CHAFED STEEL BRAIDE HYDRAULIC LINE IN AFT FUSE. THE LINE IS THE PESSURE LINE AT THE BULKHEAD. THE RUBBER HAD WORN OFF CLAMP P/N M85052-2-8. LINE REPLACE, ADP NR 1 REPLACED, OPS CHECK GOOD, AIRCRAFT RETURNED TO SERVICE.