Narrative:

Delivering an airplane to its new owner, I flew from pagosa springs, co, (2v1, elevation 7640 ft) to phx. The trip took approximately 2 hours. FBO, which employs me as chief pilot, had recently modified the A36 bonanza with a turbonormalizer, and had performed other installations and maintenance. On landing at phx runway 8R, after rolling out about 200-300 ft, the left main landing gear blew. I kept the airplane going in about a straight line, and tried to exit on taxiway F3, but eventually the plane spun slowly to the left, and I was unable to clear the runway. I immediately told phx tower that I'd blown a tire. A B727 behind me was forced to go around and the runway was closed a total of 9 mins 30 seconds until airport management and ground crews cleared the runway by towing the bonanza on a dolly. I discussed 3 possibilities with the maintenance staff at FBO. 1) I locked the brakes, causing the tire to blow. We feel this is unlikely since the airplane continued in a straight line until well after the tire blew, and on inspection, FBO's mechanics found absolutely no sign of wear on the right main tire, which would have been evident if I had locked both brakes sufficiently to continue straight down the runway. 2) the brake locked on its own for some mechanical reason. Again unlikely, as the bonanza tracked straight until after the tire blew, and there was no sign of mechanical defect after the incident. 3) the tire blew after striking some object on the runway. Phx airport manager on duty did point out objects on the runway while we waited for the airplane to be towed clear. A contributing factor is that the tire may have been svced at pagosa springs. If the tire was filled at 7600 ft, it may have been overpressurized at a near sea level airport.

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Original NASA ASRS Text

Title: THE L MAIN TIRE OF BEECH A36 BLEW OUT DURING LNDG ROLL. AN EXAMINATION OF THE BRAKE SYS AFTER THE INCIDENT REVEALED NO BRAKE PROB.

Narrative: DELIVERING AN AIRPLANE TO ITS NEW OWNER, I FLEW FROM PAGOSA SPRINGS, CO, (2V1, ELEVATION 7640 FT) TO PHX. THE TRIP TOOK APPROX 2 HRS. FBO, WHICH EMPLOYS ME AS CHIEF PLT, HAD RECENTLY MODIFIED THE A36 BONANZA WITH A TURBONORMALIZER, AND HAD PERFORMED OTHER INSTALLATIONS AND MAINT. ON LNDG AT PHX RWY 8R, AFTER ROLLING OUT ABOUT 200-300 FT, THE L MAIN LNDG GEAR BLEW. I KEPT THE AIRPLANE GOING IN ABOUT A STRAIGHT LINE, AND TRIED TO EXIT ON TXWY F3, BUT EVENTUALLY THE PLANE SPUN SLOWLY TO THE L, AND I WAS UNABLE TO CLR THE RWY. I IMMEDIATELY TOLD PHX TWR THAT I'D BLOWN A TIRE. A B727 BEHIND ME WAS FORCED TO GAR AND THE RWY WAS CLOSED A TOTAL OF 9 MINS 30 SECONDS UNTIL ARPT MGMNT AND GND CREWS CLRED THE RWY BY TOWING THE BONANZA ON A DOLLY. I DISCUSSED 3 POSSIBILITIES WITH THE MAINT STAFF AT FBO. 1) I LOCKED THE BRAKES, CAUSING THE TIRE TO BLOW. WE FEEL THIS IS UNLIKELY SINCE THE AIRPLANE CONTINUED IN A STRAIGHT LINE UNTIL WELL AFTER THE TIRE BLEW, AND ON INSPECTION, FBO'S MECHS FOUND ABSOLUTELY NO SIGN OF WEAR ON THE R MAIN TIRE, WHICH WOULD HAVE BEEN EVIDENT IF I HAD LOCKED BOTH BRAKES SUFFICIENTLY TO CONTINUE STRAIGHT DOWN THE RWY. 2) THE BRAKE LOCKED ON ITS OWN FOR SOME MECHANICAL REASON. AGAIN UNLIKELY, AS THE BONANZA TRACKED STRAIGHT UNTIL AFTER THE TIRE BLEW, AND THERE WAS NO SIGN OF MECHANICAL DEFECT AFTER THE INCIDENT. 3) THE TIRE BLEW AFTER STRIKING SOME OBJECT ON THE RWY. PHX ARPT MGR ON DUTY DID POINT OUT OBJECTS ON THE RWY WHILE WE WAITED FOR THE AIRPLANE TO BE TOWED CLR. A CONTRIBUTING FACTOR IS THAT THE TIRE MAY HAVE BEEN SVCED AT PAGOSA SPRINGS. IF THE TIRE WAS FILLED AT 7600 FT, IT MAY HAVE BEEN OVERPRESSURIZED AT A NEAR SEA LEVEL ARPT.

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.