What was found
AIRCRAFT RETURN TO GATE DUE , TO FLIGHT COMPARMENT WINDOW R2 , OPEN DURING TAKE OFF. FLIGHT CREW REPORT LOW SPEED RTO 40 KNOTS OPERATIONAL CHECK ON WINDOW NO.2 AMM TASK 56-12-11-710-803. WINDOW CLOSES AND LOCK'S PROPERTLY, NO IRREGULARITIES OR DAMAGE FOUND ON MECHANISM. SUSPECTED WINDOW WAS NO COMPLETLY LOCKED.