Narrative:

My role for the leg was relief pilot. [Runway] xr was assigned during taxi. The runway was listed on the tps for TO1 max and after a short discussion all 4 crew members in the cockpit agreed it was acceptable. We would be using a departure to the north of ZZZ so this runway would save some time. The ca requested the first officer pull new numbers since our weight came in 4;000 lbs light in the hope of improving our numbers. After they confirmed that xr was requested on a new tps through ACARS; the number data downloaded. After departure; the crew realized [runway] yyl numbers had been sent; accepted and downloaded. The takeoff appeared normal throughout the roll and rotation was also at what appeared to be a 'normal' distance down the runway and from the end.as relief pilot; during taxi I'm assigned the jumpseat behind the first officer seat. The view of all that's going on 'up front' can be difficult at times and requires being very proactive in getting out of the seat for a better view. Getting up from the seat to verify the takeoff data is necessary and appropriate.

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Original NASA ASRS Text

Title: Air carrier flight crew reported they inadvertently took off with the wrong data loaded in the FMC.

Narrative: My role for the leg was Relief Pilot. [Runway] XR was assigned during taxi. The runway was listed on the TPS for TO1 Max and after a short discussion all 4 crew members in the cockpit agreed it was acceptable. We would be using a departure to the north of ZZZ so this runway would save some time. The CA requested the FO pull new numbers since our weight came in 4;000 lbs light in the hope of improving our numbers. After they confirmed that XR was requested on a new TPS through ACARS; the number data downloaded. After departure; the crew realized [Runway] YYL numbers had been sent; accepted and downloaded. The takeoff appeared normal throughout the roll and rotation was also at what appeared to be a 'normal' distance down the runway and from the end.As Relief Pilot; during taxi I'm assigned the Jumpseat behind the FO seat. The view of all that's going on 'up front' can be difficult at times and requires being very proactive in getting out of the seat for a better view. Getting up from the seat to verify the takeoff data is necessary and appropriate.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.