As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT 3103 OUT OF MSP, HYDR CWP LIGHT CAME ON AFTER T/O. MAIN ACCUMULATOR PRESSURE DROPPED TO ZERO. EM STAYED UP. WENT THRU THE QRH AND THE GEAR CAME DOWN HAD TO PUMP THE FLAPS DOWN. AIR RETURN TO MSP. MAINTENANCE COMPLETED MM 409 107664 REPLACED NLG RETRACTION ACTUATOR LINE. REPLACED LT AND RT SEPARATION BOLTS. REFER TO WORK CARD FOR DETAILS, OPS AND LEAK CHECK GOOD.