What was found
FLT 5526 - PIT - HYDRAULIC SYSTEM NR 1 FAILURE EN ROUTE FROM DCA TO STL. MAINTENANCE REMOVED AND REPLACED THE NR 1 ENGINE HYDRAULIC PUMP AND PRESSURE LINES FROM PUMP.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 5526 - PIT - HYDRAULIC SYSTEM NR 1 FAILURE EN ROUTE FROM DCA TO STL. MAINTENANCE REMOVED AND REPLACED THE NR 1 ENGINE HYDRAULIC PUMP AND PRESSURE LINES FROM PUMP.