As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STL - FLT 7174 - HYDRAULIC PRESSURE ON GREEN SYSTEM LOST AT GEAR RETRACTION, GEAR WOULD NOT RETRACT. AIRCRAFT RETURNED FROM FLIGHT WITHOUT INCIDENT. MAINTENANCE FOUND RT MLG ACTUATOR BRAKE VALVE CRACKED REPLACED VALVE, GEAR SWING OPS CHECK GOOD. (X)