Narrative:

Captain was in a hurry to get to tulsa, ok. After completing the takeoff checklist, captain made a 90 degree turn on the runway and applied takeoff thrust before the nosewheel was straight. Gross weight was 317000 pounds (relatively light, no passenger or cargo). Aircraft responded by going left. Captain tried to straighten nosewheels and the veering with differential thrust. After aircraft veered several times (2 left, 1 right) an abort was initiated. Dfw emergency equipment came out and examined the tires. Nosewheel #2 tire scuffed badly, 1 tire low but within limits (on right front main) cockpit schematic, 30 pounds lower than left. Captain did not want to go back to gate for a check. He insisted that it was just his fault and aircraft was fit for flight. We proceeded to runway 36R. Luckily by the time we got there a differential pressure alert -- 'do not takeoff' -- appeared. Again he did not want maintenance to check it out. Initially the alert flashed on and off then stayed on steady. Finally we went to maintenance hangar. Nosewheel tire was scuffed badly but good enough condition for another takeoff. Maintenance svced the low tire. Signed logbook. Then another uneventful, cautious but slow takeoff was made. I learned how not to be a captain that day.

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Original NASA ASRS Text

Title: CAPT OF ACR WDB ACFT TEMPORARILY LOST CTL OF ACFT DURING TKOF ROLL DUE SEVERE NOSEWHEEL UNALIGNMENT AT THE ART OF THE TKOF PWR APPLICATION.

Narrative: CAPT WAS IN A HURRY TO GET TO TULSA, OK. AFTER COMPLETING THE TKOF CHKLIST, CAPT MADE A 90 DEG TURN ON THE RWY AND APPLIED TKOF THRUST BEFORE THE NOSEWHEEL WAS STRAIGHT. GROSS WT WAS 317000 LBS (RELATIVELY LIGHT, NO PAX OR CARGO). ACFT RESPONDED BY GOING L. CAPT TRIED TO STRAIGHTEN NOSEWHEELS AND THE VEERING WITH DIFFERENTIAL THRUST. AFTER ACFT VEERED SEVERAL TIMES (2 L, 1 R) AN ABORT WAS INITIATED. DFW EMER EQUIP CAME OUT AND EXAMINED THE TIRES. NOSEWHEEL #2 TIRE SCUFFED BADLY, 1 TIRE LOW BUT WITHIN LIMITS (ON R FRONT MAIN) COCKPIT SCHEMATIC, 30 LBS LOWER THAN L. CAPT DID NOT WANT TO GO BACK TO GATE FOR A CHK. HE INSISTED THAT IT WAS JUST HIS FAULT AND ACFT WAS FIT FOR FLT. WE PROCEEDED TO RWY 36R. LUCKILY BY THE TIME WE GOT THERE A DIFFERENTIAL PRESSURE ALERT -- 'DO NOT TKOF' -- APPEARED. AGAIN HE DID NOT WANT MAINT TO CHK IT OUT. INITIALLY THE ALERT FLASHED ON AND OFF THEN STAYED ON STEADY. FINALLY WE WENT TO MAINT HANGAR. NOSEWHEEL TIRE WAS SCUFFED BADLY BUT GOOD ENOUGH CONDITION FOR ANOTHER TKOF. MAINT SVCED THE LOW TIRE. SIGNED LOGBOOK. THEN ANOTHER UNEVENTFUL, CAUTIOUS BUT SLOW TKOF WAS MADE. I LEARNED HOW NOT TO BE A CAPT THAT DAY.

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.