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