What was found
FLT 4690 - NR 1 HYDRAULIC SYSTEM SHOWING 0 PERCENT QUANTITY. REPLACED NR 1 ENGINE DRIVEN PUMP.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 4690 - NR 1 HYDRAULIC SYSTEM SHOWING 0 PERCENT QUANTITY. REPLACED NR 1 ENGINE DRIVEN PUMP.