What was found
RDU/ATL - FLT 299 - AIR RETURNED TO RDU DUE TO LANDING GEAR HANDLE WOULD NOT RETRACT, CABIN WOULD NOT PRESSURIZE AND NOSE WHEEL STEERING STILL WORKED. CYCLED GROUND CONTROL CIRCUIT BREAKERS, NO HELP. FOUND FLAT NOSE STRUT SERVICED PER MM 12. LANDING GEAR HANDLE OPS CHECK OKAY.