What was found
AFTER THE AIRCRAFT DEPARTED, FLIGHT CREW REPORTED THE LANDING GEAR FAILED TO RETRACT AFTER TAKEOFF. THE AIRCRAFT RETURNED TO DEPARTURE FOR A SAFE UNSCHEDULED LANDING. ON ARRIVAL THE LANDING GEAR WAS INSPECTED AND EXTENSION AND RETRACTION SYSTEM WAS FUNCTIONALLY TESTED IAW AMM 12-B-32-30-00-00A-903A-A. NO DEFECTS NOTED. NO PERTINENT FAULTS ON ACMF OR FHDB FILES. PERFORMED ANOTHER FUNCTIONAL TEST OF THE EXTENSION AND RETRACTION SYSTEM IAW AMM 12-B-32-30-00-00A-903A-A. NO DEFECTS NOTED. THE AIRCRAFT WAS RELEASED OK FOR CONTINUED SERVICE.