Narrative:

Cargo [failed to] include [the weight of a cargo pallet] on our close out [weight manifest].so; about two hours after takeoff we received a new close out with an additional 7;000 lbs of weight from dispatch; [along] with a new fuel burn etc. Our takeoff [numbers] and runway data seemed not to be a factor; however; this was a significant error of gross weight. In addition; the aircraft was on MEL for an inoperative fuel dump system with a takeoff weight restriction. Why did this pallet of weight get missed in the close out? How do we prevent this from recurring?

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Original NASA ASRS Text

Title: A B777 departed with an incorrect weight and balance document when load planning failed to include the weight of one cargo pallet.

Narrative: Cargo [failed to] include [the weight of a cargo pallet] on our close out [weight manifest].So; about two hours after takeoff we received a new close out with an additional 7;000 lbs of weight from Dispatch; [along] with a new fuel burn etc. Our takeoff [numbers] and runway data seemed not to be a factor; however; this was a significant error of gross weight. In addition; the aircraft was on MEL for an INOP fuel dump system with a takeoff weight restriction. Why did this pallet of weight get missed in the close out? How do we prevent this from recurring?

Data retrieved from NASA's ASRS site as of July 2013 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.