What was found
THE FLIGHT CREW REPORTED THAT THE LANDING GEAR FAILED TO RETRACT PROPERLY ON TAKEOFF. THIS WAS A TRAINING FLIGHT, AND THE ABNORMAL CHECKLIST WAS PERFORMED TO INCLUDE A MANUAL LANDING GEAR EXTENSION PROCEDURE. THE TOWER REPORTED VIA VISUAL CONFIRMATION THAT THE FAILURE WAS TO THE NOSE AND LEFT LANDING GEAR ASSEMBLIES NOT RETRACTING AND STOWING PROPERLY. MAINTENANCE IS STILL IN THE PROCESS OF CONFIRMING AND TROUBLESHOOTING THE REPORTED DISCREPANCY AT THIS TIME.