B737-700 flight crew reported they received final weights with a 900 pound increase in cruise flight...

Attributes
ACN	1286348
Time
Date	201508
Aircraft 1
Make Model Name	B737-700
Operating Under FAR Part	Part 121
Flight Phase	Cruise
Flight Plan	IFR
Person 1
Function	Captain
Qualification	Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Last 90 Days 261
Person 2
Function	First Officer
Qualification	Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Last 90 Days 219 Flight Crew Type 2120
Events
Anomaly	Deviation - Procedural Published Material / Policy Deviation - Procedural Weight And Balance

Narrative:

In cruise; dispatch sent this message. 'Operations just called; revised take off weight (tow) 140.1. +900 pounds. Better late than never I guess.' we adjusted zero fuel weight (ZFW) accordingly. Although nothing bad happened; this could create a greater problem since we took off with the wrong data. An engine failure or abort at or near V1 could be unsuccessful as a result.preventative measures: some type of ground operations check and balance to verify weights.

Original NASA ASRS Text

Title: B737-700 flight crew reported they received final weights with a 900 pound increase in cruise flight.

Narrative: In cruise; Dispatch sent this message. 'Operations just called; revised Take Off Weight (TOW) 140.1. +900 LBS. Better late than never I guess.' We adjusted Zero Fuel Weight (ZFW) accordingly. Although nothing bad happened; this could create a greater problem since we took off with the wrong data. An engine failure or abort at or near V1 could be unsuccessful as a result.Preventative Measures: Some type of ground operations check and balance to verify weights.

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.