REPORT KLM Boeing 737 took off from Lisbon with incorrect take-off data, unnoticed for weeks

A KLM Boeing 737-800 took off from Lisbon with incorrect take-off data. However, it went unnoticed until the airline’s flight-safety personnel detected the incident during monthly flight-data monitoring. The Boeing 737-800, with registration PH-BCD, was operating flight KL1696 bound to Amsterdam Schipol on 3rd March, earlier this year. A total of 137 people, including 11…