Narrative:

Severe nose wheel shimmy on takeoff roll blew out the right main gear light. Aborted takeoff and replaced bulb. Nose wheel steering operated normally and performed 2ND takeoff without further incident. However, I failed to notify our coordinator prior to the 2ND takeoff. I did so after landing in boston, both orally and a written statement within 24 hours. According to our company director of flight standards, I was in violation. Dispatch should have been notified prior to the 2ND takeoff. As a 4 yr captain on the sf-340 aircraft, and with extensive training and knowledge of this aircraft's system, I acted under my own initiative, prior to consulting with the first officer. We both agreed that this problem would not effect the safety nor the airworthiness of the aircraft. Better company training on policies and procedures could have prevented this.

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Original NASA ASRS Text

Title: AN LTT ABORTED ITS TKOF.

Narrative: SEVERE NOSE WHEEL SHIMMY ON TKOF ROLL BLEW OUT THE R MAIN GEAR LIGHT. ABORTED TKOF AND REPLACED BULB. NOSE WHEEL STEERING OPERATED NORMALLY AND PERFORMED 2ND TKOF WITHOUT FURTHER INCIDENT. HOWEVER, I FAILED TO NOTIFY OUR COORDINATOR PRIOR TO THE 2ND TKOF. I DID SO AFTER LNDG IN BOSTON, BOTH ORALLY AND A WRITTEN STATEMENT WITHIN 24 HRS. ACCORDING TO OUR COMPANY DIRECTOR OF FLT STANDARDS, I WAS IN VIOLATION. DISPATCH SHOULD HAVE BEEN NOTIFIED PRIOR TO THE 2ND TKOF. AS A 4 YR CAPT ON THE SF-340 ACFT, AND WITH EXTENSIVE TRAINING AND KNOWLEDGE OF THIS ACFT'S SYS, I ACTED UNDER MY OWN INITIATIVE, PRIOR TO CONSULTING WITH THE FO. WE BOTH AGREED THAT THIS PROBLEM WOULD NOT EFFECT THE SAFETY NOR THE AIRWORTHINESS OF THE ACFT. BETTER COMPANY TRAINING ON POLICIES AND PROCS COULD HAVE PREVENTED THIS.

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.