AAIB investigation to Boeing 737-89P, SP-LWA
Load sheet error, on takeoff from London Heathrow Airport, 20 May 2019.
Summary:
After an uneventful takeoff from London Heathrow the flight crew were informed that the aircraft was 953 kg heavier than indicated on the load sheet. The flight crew corrected the figures in the aircraft’s flight management computer and the flight continued without incident.
The load sheet error occurred because a consignment of mail was initially recorded twice in the operator’s computer load management system. A correction was applied by both the dispatcher and by an electronic message from the cargo company, which resulted in both entries being removed.
The handling agent and operator have taken safety action to prevent reoccurrence.
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Published 13 December 2019