Narrative:

After completing before start checklist, I called for a before taxi checklist. When the check was completed, I began my taxi to the active runway 8. I then called for a taxi checklist and after completing the required checks everything was normal. When I approached the hold line and applied the brakes, I only then felt a little bump. I asked the first officer if he felt anything and the reply was it wasn't noticed by him and he thought it just was the tarmac (feeling uneven). I was then cleared for immediate takeoff and began to roll. I heard on the radio from an unknown pilot that my right main landing gear was on fire. I began to retard the throttles and I heard the tower call to abort the takeoff. I continued to abort and deploy the thrust reversers. At that point I began to veer to the left and at that instant I stowed the thrust reversers and continued to apply brakes. The plane came to a stop onto the left side of the runway and the plane stopped just before the 500 ft hash marks on the left side on the grass of runway 8. I called for an immediate shutdown checklist and called the tower to bring out the fire trucks. I asked the first officer to open the aircraft and I then followed him. A removing crew came and the maintenance department followed. The aircraft was then pulled out of the sand and it was evident that only right landing gear was on fire. The left gear was intact. I feel that there could have been a mechanical failure on the right side main landing gear. I felt the first officer accomplished all his duties as a professional and reacted as a confident and professional pilot during this incident. Callback conversation with reporter revealed the following information: reporter states that the aircraft is an LR25. He is not sure of what happened, but the mechanic believes it was a faulty brake valve. The valve apparently became stuck and overheated and locked. The right brake would not release. Tower notified the FAA and the FSDO communicated with tower but did not come to physically investigate. There was no damage to the aircraft and 4 tires and 4 brakes were replaced along with the faulty valve.

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Original NASA ASRS Text

Title: FLC OF LR25 ON TKOF ROLL IS INFORMED THAT THE R MAIN GEAR IS ON FIRE. TKOF ABORTED.

Narrative: AFTER COMPLETING BEFORE START CHKLIST, I CALLED FOR A BEFORE TAXI CHKLIST. WHEN THE CHK WAS COMPLETED, I BEGAN MY TAXI TO THE ACTIVE RWY 8. I THEN CALLED FOR A TAXI CHKLIST AND AFTER COMPLETING THE REQUIRED CHKS EVERYTHING WAS NORMAL. WHEN I APCHED THE HOLD LINE AND APPLIED THE BRAKES, I ONLY THEN FELT A LITTLE BUMP. I ASKED THE FO IF HE FELT ANYTHING AND THE REPLY WAS IT WASN'T NOTICED BY HIM AND HE THOUGHT IT JUST WAS THE TARMAC (FEELING UNEVEN). I WAS THEN CLRED FOR IMMEDIATE TKOF AND BEGAN TO ROLL. I HEARD ON THE RADIO FROM AN UNKNOWN PLT THAT MY R MAIN LNDG GEAR WAS ON FIRE. I BEGAN TO RETARD THE THROTTLES AND I HEARD THE TWR CALL TO ABORT THE TKOF. I CONTINUED TO ABORT AND DEPLOY THE THRUST REVERSERS. AT THAT POINT I BEGAN TO VEER TO THE L AND AT THAT INSTANT I STOWED THE THRUST REVERSERS AND CONTINUED TO APPLY BRAKES. THE PLANE CAME TO A STOP ONTO THE L SIDE OF THE RWY AND THE PLANE STOPPED JUST BEFORE THE 500 FT HASH MARKS ON THE L SIDE ON THE GRASS OF RWY 8. I CALLED FOR AN IMMEDIATE SHUTDOWN CHKLIST AND CALLED THE TWR TO BRING OUT THE FIRE TRUCKS. I ASKED THE FO TO OPEN THE ACFT AND I THEN FOLLOWED HIM. A REMOVING CREW CAME AND THE MAINT DEPT FOLLOWED. THE ACFT WAS THEN PULLED OUT OF THE SAND AND IT WAS EVIDENT THAT ONLY R LNDG GEAR WAS ON FIRE. THE L GEAR WAS INTACT. I FEEL THAT THERE COULD HAVE BEEN A MECHANICAL FAILURE ON THE R SIDE MAIN LNDG GEAR. I FELT THE FO ACCOMPLISHED ALL HIS DUTIES AS A PROFESSIONAL AND REACTED AS A CONFIDENT AND PROFESSIONAL PLT DURING THIS INCIDENT. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR STATES THAT THE ACFT IS AN LR25. HE IS NOT SURE OF WHAT HAPPENED, BUT THE MECH BELIEVES IT WAS A FAULTY BRAKE VALVE. THE VALVE APPARENTLY BECAME STUCK AND OVERHEATED AND LOCKED. THE R BRAKE WOULD NOT RELEASE. TWR NOTIFIED THE FAA AND THE FSDO COMMUNICATED WITH TWR BUT DID NOT COME TO PHYSICALLY INVESTIGATE. THERE WAS NO DAMAGE TO THE ACFT AND 4 TIRES AND 4 BRAKES WERE REPLACED ALONG WITH THE FAULTY VALVE.

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.