Narrative:

First flight of day and trip with new captain. We completed all taxi checklists and pretkof checklists. We were cleared into position and right away cleared for takeoff on runway 5R. As soon as I pushed up power levers, both the captain and I noticed a slower acceleration of power and decided to abort at approximately 80 KTS. We notified tower. We had noticed our np hadn't reached its full 62 percent, because of this short leg. It caused our power up to be abnormal. This was because of our quick clearance into position, then cleared for takeoff. Once we clarified this, tower said we could just make a 180 degrees turn and be cleared for takeoff on runway 5R. The captain and I both agreed on the situation and felt that if we had continued the takeoff the power would've come up later than normal and it was best to abort and be safe on the ground. I feel our crew communication was an important factor that helped us to clarify the situation and react in due time.

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Original NASA ASRS Text

Title: TKOF ABORTED. ACFT PERFORMANCE WAS SUSPECT.

Narrative: FIRST FLT OF DAY AND TRIP WITH NEW CAPT. WE COMPLETED ALL TAXI CHKLISTS AND PRETKOF CHKLISTS. WE WERE CLRED INTO POS AND RIGHT AWAY CLRED FOR TKOF ON RWY 5R. AS SOON AS I PUSHED UP PWR LEVERS, BOTH THE CAPT AND I NOTICED A SLOWER ACCELERATION OF PWR AND DECIDED TO ABORT AT APPROX 80 KTS. WE NOTIFIED TWR. WE HAD NOTICED OUR NP HADN'T REACHED ITS FULL 62 PERCENT, BECAUSE OF THIS SHORT LEG. IT CAUSED OUR PWR UP TO BE ABNORMAL. THIS WAS BECAUSE OF OUR QUICK CLRNC INTO POS, THEN CLRED FOR TKOF. ONCE WE CLARIFIED THIS, TWR SAID WE COULD JUST MAKE A 180 DEGS TURN AND BE CLRED FOR TKOF ON RWY 5R. THE CAPT AND I BOTH AGREED ON THE SIT AND FELT THAT IF WE HAD CONTINUED THE TKOF THE PWR WOULD'VE COME UP LATER THAN NORMAL AND IT WAS BEST TO ABORT AND BE SAFE ON THE GND. I FEEL OUR CREW COM WAS AN IMPORTANT FACTOR THAT HELPED US TO CLARIFY THE SIT AND REACT IN DUE TIME.

Data retrieved from NASA's ASRS site as of July 2007 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.