As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING GEAR EXTENSION, LOST NR 1 HYDRAULIC SYSTEM. LANDED WITH GEAR DOORS EXTENDED. HYDRAULIC QUANTITY READS ZERO. INSPECTED AND FOUND SPEED BRAKE ACTUATOR FILTER HOUSING CRACKED. REMOVED AND REPLACED SPEEDBRAKE ACTUATOR IAW F-100 MM 27-61-02. OPERATIONAL AND LEAK CHECKS GOOD, OKAY FOR SERVICE. (X)