B767-300 and 300 ER
Flight Crew Last 90 Days 80; Flight Crew Total 15000; Flight Crew Type 2300
Troubleshooting; Training / Qualification; Distraction; Communication Breakdown
Deviation / Discrepancy - Procedural Weight And Balance
Flight Crew Became Reoriented
Chart Or Publication; Company Policy; Procedure
As soon as I initiated the rotation for takeoff I had to immediately check my rotation because the nose wheel popped off of the ground. The airplane seemed very tail heavy. I then continued to rotate; but at a slight slower rate to 7.5 degrees to avoid striking the tail. I commented to the Captain that I felt the trim was wrong. The climb profile was executed normally. 24 minutes after takeoff; received a new weight manifest that showed the new ZFW of 263.7 vs. 259.2; and increase of 4;500 LBS. The new takeoff trim setting was 2.8 vs. 3.0. New TOG 317.8 vs. 313.3. Reported discrepancy to our Dispatcher.
[Narrative #2 had no additional information]
A B767 First Officer noted that on takeoff the nose wheel popped off the ground indicating a load problem and a short time later the crew received a revised weight and balance reflecting the correct numbers.