As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX - AIR TURN BACK - FLT 706 - CREW REPORTED THAT AFTER T/O AND DURING CLIMB THE LANDING GEAR WOULD NOT RETRACT, LEVER WOULD NOT PHYSICALLY MOVE UP. CREW COMPLIED WITH QRH 11-3 AND RETURNED TO PHX WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE GROUND SPOILER INTERLOCK CABLE IAW AWA TC R4R27001. ALSO REMOVED AND REPLACED THE M990 AND M991. REPLACED SAFETY SENSORS S105 AND S106. OPERATIONAL CHECKS AND GEAR SWINGS WERE GOOD.