As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR WOULD NOT RETRACT AFTER TAKE-OFF. PLACED AIRCRAFT ON JACKS. INSTALLED ROBO MULE TO RIGHT ENGINE TO PERFORMED LANDING GEAR OPERATIONAL CHECKS. INSPECTED ALL LANDING GEAR ELECTRICAL CONNECTORS AND LANDING GEAR CONTROL VALVE. SYSTEM CHECKED GOOD.CYCLED THE LANDING GEAR SEVERAL TIMES. OPERATIONAL OF LANDING GEAR SYSTEM CHECKED GOOD. DOWN JACKED AIRCRAFT AND REMOVED ROBO MULE. LEAK CHECK RIGHT ENGINE CHECKED GOOD. IAW CH 32-30-00 OF THE CITATION 560 MM.