As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISC, UPON GEAR SELECTION UP THE HYDRAULIC QUANTITY STARTED DROPPING TO -0-, MANUAL PUMP OVERRIDE FAILURE. REPLACED RUPTURED NOSE LANDING GEAR RETRACT/EXTENSION ACTUATOR HYDRAULIC LINE. LEAK AND OPS CHECK GOOD. AC RETURNED TO SERVICE. (K)