Narrative:

The loading of this flight was uneventful; we received the final weights and takeoff data in reasonable time and departed. To our surprise; 1:45 into the flight we received via ACARS; another final weights; with a different takeoff gross weight (tog); zero fuel weight (ZFW); cg and trim.original ZFW 197917 change 196486 tog 253017 251586 cg. 19.0 17.6 trim 5.3 5.5Consequently; the ZFW was changed in the FMC performance page.I would like to note that no 'invalid weights' message was ever received prior to the takeoff data.

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Original NASA ASRS Text

Title: A B757 Captain reported receiving a revision to his final weights 1:45 into the flight.

Narrative: The loading of this flight was uneventful; we received the Final Weights and Takeoff Data in reasonable time and departed. To our surprise; 1:45 into the flight we received via ACARS; another Final Weights; with a different Takeoff Gross weight (TOG); Zero Fuel Weight (ZFW); CG and TRIM.Original ZFW 197917 Change 196486 TOG 253017 251586 CG. 19.0 17.6 TRIM 5.3 5.5Consequently; the ZFW was changed in the FMC Performance page.I would like to note that no 'Invalid weights' message was ever received prior to the Takeoff Data.

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.