As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TRAINING TOUCH AND GO THE GEAR FAILED TO RETRACT AFTER TAKEOFF. AIRCRAFT RETURNED TO AIRPORT AND MADE UNEVENTFUL LANDING. MAINTENANCE FOUND THE LT GEAR SWITCH ASSEMBLY HAD 3 BROKEN WIRES AT THE SWITCH. SWITCH WAS REPLACED AND GEAR SWING PERFORMED.