As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) DURING CLIMB, THE HYDRAULIC PRESSURE ANNUNCIATOR ILLUMINATED AND THE HYDRAULIC PRESSURE FELL TO 800 PSI. THE LG INITIALLY WOULD NOT RETRACT, BUT RETRACTED AFTER APPROXIMATELY TWO MINUTES. GROUND RETRACTION CHECKS COULD NOT DUPLICATE THE PROBLEM. HYDRAULIC SYSTEM WAS BLED AND FUNCTIONAL CHECK OF HYDRAULIC SYSTEM CARRIED OUT AND AIRCRAFT RETURNED TO SERVICE.