As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 HYDRAULIC CONTENTS RAPIDLY DEPLETED DURING FLIGHT. APPROPRIATE DRILLS CARRIED OUT. REMOVED AND REPLACED NR 1 ENGINE EDP IAW MM 29-11-05. NO EVIDENCE OF LEAKS AFTERWARDS. SERVICED NR 1 HYDRAULIC SYSTEM TO FULL. INSPECTED PRESS AND CASE DRAIN FILTERS. SECURED ENGINE COWL AND SHUT ACCESS. (EA15200502556) (K)