What was found
NR 1 HYDRAULIC DROPPED TO .5 QTS IN FLIGHT ISO VALVE CAUTION LIGHT ILLUMINATED. REMOVED AND REPLACED NR 1 ENGINE DRIVEN PUMP.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NR 1 HYDRAULIC DROPPED TO .5 QTS IN FLIGHT ISO VALVE CAUTION LIGHT ILLUMINATED. REMOVED AND REPLACED NR 1 ENGINE DRIVEN PUMP.