What was found
PHX FLT 1161 - EN ROUTE MSP TO PHX. AFTER TAKEOFF, THE GEAR HANDLE WOULD NOT RAISE. AFTER A SECOND ATTEMPT, THE GEAR HANDLE DID GO UP, BUT THE GEAR DID NOT COME UP FOR ABOUT A MINUTE. AFTERWARDS, THE GEAR CAME UP AND ALL SYSTEMS WERE NORMAL FOR THE REST OF THE FLIGHT. MAINTENANCE ACTION PENDING.