Flight crew of A320 receive weight manifest revision after takeoff.

Attributes
ACN	662085
Time
Date	200506
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : ord.airport
State Reference	IL
Altitude	agl single value : 0
Aircraft 1
Controlling Facilities	tower : abq.tower
Operator	common carrier : air carrier
Make Model Name	A320
Operating Under FAR Part	Part 121
Flight Phase	climbout : takeoff
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Experience	flight time last 90 days : 20 flight time total : 6200 flight time type : 900
ASRS Report	662085
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 150 flight time total : 13000 flight time type : 2700
ASRS Report	662089
Events
Anomaly	other anomaly other
Independent Detector	other other : 3
Resolutory Action	none taken : unable none taken : detected after the fact
Consequence	other
Supplementary
Problem Areas	Environmental Factor Company Aircraft
Primary Problem	Company

Narrative:

Shortly after takeoff in a stiff (20 KT) crosswind we go an ACARS message. Due to the critical phase of flight we did not look at the ACARS until flaps were up. The message said our weights were wrong and to stand by for new figures. Unfortunately we were already airborne. When we got the correct weights; 31 mins after we pushed back and 16 mins after takeoff; we found that the mac was 29.7 vs 31.9 from the incorrect weight message which we received 5 mins before. This is the second time that this had happened to me while leaving ord in the last three months. This time I noticed no unusual sensations during takeoff but I am very concerned about the safety of this operation.

Original NASA ASRS Text

Title: FLT CREW OF A320 RECEIVE WT MANIFEST REVISION AFTER TKOF.

Narrative: SHORTLY AFTER TKOF IN A STIFF (20 KT) CROSSWIND WE GO AN ACARS MSG. DUE TO THE CRITICAL PHASE OF FLT WE DID NOT LOOK AT THE ACARS UNTIL FLAPS WERE UP. THE MSG SAID OUR WTS WERE WRONG AND TO STAND BY FOR NEW FIGURES. UNFORTUNATELY WE WERE ALREADY AIRBORNE. WHEN WE GOT THE CORRECT WTS; 31 MINS AFTER WE PUSHED BACK AND 16 MINS AFTER TAKEOFF; WE FOUND THAT THE MAC WAS 29.7 VS 31.9 FROM THE INCORRECT WT MSG WHICH WE RECEIVED 5 MINS BEFORE. THIS IS THE SECOND TIME THAT THIS HAD HAPPENED TO ME WHILE LEAVING ORD IN THE LAST THREE MONTHS. THIS TIME I NOTICED NO UNUSUAL SENSATIONS DURING TKOF BUT I AM VERY CONCERNED ABOUT THE SAFETY OF THIS OP.

Data retrieved from NASA's ASRS site as of January 2009 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.