As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SYS A HYD LOSS. DURING GEAR RETRACTION SYS A HYD QTY AND PRESS WENT TO ZERO. REPLACED BOTH CASE DRAIN FILTERS, LEAK CK GOOD ON GROUND RUN, SERVICE HYD TO FULL. REMOVED AND REPLACED LT MAIN GEAR DOOR ACTUATOR, REF EO 7-3230-7-4323 IAW MM 32-32-0181-4. LEAK CK AND OPS CK GOOD.