What was found
NR 4 HYDRAULIC SYSTEM FLUID LOSS TO 1.6 GALLONS. FOUND CRACKED PRESSURE LINE IN NR 4 PYLON. REPLACED LINE, ENGINE DRIVEN PUMP CASE DRAIN AND PRESSURE FILTERS PER BOEING MAINTENANCE MANUAL 29-11-23, 29-11-05, AND 29-11-18.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NR 4 HYDRAULIC SYSTEM FLUID LOSS TO 1.6 GALLONS. FOUND CRACKED PRESSURE LINE IN NR 4 PYLON. REPLACED LINE, ENGINE DRIVEN PUMP CASE DRAIN AND PRESSURE FILTERS PER BOEING MAINTENANCE MANUAL 29-11-23, 29-11-05, AND 29-11-18.