Narrative:

On aug/wed/2004, while on landing rollout at ZZZ, our ce-560XL suffered a tire/wheel failure on the left main gear. The failure occurred at approximately 50 KTS and caused a slight swerve from centerline. The aircraft came to rest about 10 ft left of centerline. There were no injuries and the aircraft never left a prepared surface. This was the second flight of the day for the airplane. Takeoff from ZZZ1 was normal and no adverse handling qualities were noted during the previous taxi and takeoff. Preflight inspection was normal and both main tires appeared to have normal inflation. The tire pressure of the right main tire was performed after the incident and it showed normal tire pressure of 210 psi. Touchdown at ZZZ was smooth, on-speed and on centerline at ZZZ. Landing weight was approximately 16500 pounds, which is 2200 pounds below maximum weight for the ce-560XL. During landing rollout at approximately 50 KTS, the left main tire/wheel assembly failed. The aircraft continued for several hundred ft coming to a stop slightly left of centerline. Unable to taxi, the aircraft was towed to the hangar. No blown tire noise or loud bang was heard during the rollout. Post flight inspection revealed that the outer section of the wheel hub and a metal retaining band had separated from the aircraft, which in turn caused the tire to also depart the aircraft. These three pieces were found several hundred ft behind the aircraft. At this time it is not known whether the tire blew first causing the wheel failure or if the wheel/hub failure caused the tire deflation. Cessna and goodrich are examining the aforementioned pieces to determine the exact cause. It should be noted also that the citation vii had a similar problem with tire failure on landing rollout, which was addressed in a previous ad. The cause of the problem was traced back to defective tires. The potential design exists concerning the relation with tire pressure and wheel assembly integrity. After talking with cessna, they informed us that if a main tire on the excel loses tire pressure for whatever reason, the tire assembly can come apart. In other words tire inflation is required for wheel assembly integrity. This means that any tire malfunction, which causes a loss of inflation will automatically lead to a wheel assembly failure on an aircraft with only one tire on each side. It should also be noted that the citation excel is the largest single tire strut of any business jet. Cessna knows the stresses on this wheel are its rated maximum. I recommend that tire pressures on the citation excel be checked daily with a properly calibrated tire gauge and extra attention be given to the condition of the main tires. Callback conversation with reporter revealed the following information: the reporter stated the aircraft was a cessna C560XL with one tire and wheel assembly on each main landing gear. The reporter said the aircraft was below maximum landing weight by 2200 pounds. The reporter stated the tire and wheel failed on rollout at 50 KTS and the airplane rolled on the inner wheel. The reporter said cessna stated that if the tire losses inflation pressure the tire will come apart.

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Original NASA ASRS Text

Title: A C560XL ON LNDG AT ZZZ HAD L MAIN TIRE AND WHEEL FAIL. THE ACFT REMAINED ON THE RWY, L OF CTRLINE.

Narrative: ON AUG/WED/2004, WHILE ON LNDG ROLLOUT AT ZZZ, OUR CE-560XL SUFFERED A TIRE/WHEEL FAILURE ON THE L MAIN GEAR. THE FAILURE OCCURRED AT APPROX 50 KTS AND CAUSED A SLIGHT SWERVE FROM CTRLINE. THE ACFT CAME TO REST ABOUT 10 FT L OF CTRLINE. THERE WERE NO INJURIES AND THE ACFT NEVER LEFT A PREPARED SURFACE. THIS WAS THE SECOND FLT OF THE DAY FOR THE AIRPLANE. TKOF FROM ZZZ1 WAS NORMAL AND NO ADVERSE HANDLING QUALITIES WERE NOTED DURING THE PREVIOUS TAXI AND TKOF. PREFLT INSPECTION WAS NORMAL AND BOTH MAIN TIRES APPEARED TO HAVE NORMAL INFLATION. THE TIRE PRESSURE OF THE R MAIN TIRE WAS PERFORMED AFTER THE INCIDENT AND IT SHOWED NORMAL TIRE PRESSURE OF 210 PSI. TOUCHDOWN AT ZZZ WAS SMOOTH, ON-SPEED AND ON CTRLINE AT ZZZ. LNDG WEIGHT WAS APPROX 16500 LBS, WHICH IS 2200 LBS BELOW MAXIMUM WEIGHT FOR THE CE-560XL. DURING LNDG ROLLOUT AT APPROX 50 KTS, THE L MAIN TIRE/WHEEL ASSEMBLY FAILED. THE ACFT CONTINUED FOR SEVERAL HUNDRED FT COMING TO A STOP SLIGHTLY L OF CTRLINE. UNABLE TO TAXI, THE ACFT WAS TOWED TO THE HANGAR. NO BLOWN TIRE NOISE OR LOUD BANG WAS HEARD DURING THE ROLLOUT. POST FLT INSPECTION REVEALED THAT THE OUTER SECTION OF THE WHEEL HUB AND A METAL RETAINING BAND HAD SEPARATED FROM THE ACFT, WHICH IN TURN CAUSED THE TIRE TO ALSO DEPART THE ACFT. THESE THREE PIECES WERE FOUND SEVERAL HUNDRED FT BEHIND THE ACFT. AT THIS TIME IT IS NOT KNOWN WHETHER THE TIRE BLEW FIRST CAUSING THE WHEEL FAILURE OR IF THE WHEEL/HUB FAILURE CAUSED THE TIRE DEFLATION. CESSNA AND GOODRICH ARE EXAMINING THE AFOREMENTIONED PIECES TO DETERMINE THE EXACT CAUSE. IT SHOULD BE NOTED ALSO THAT THE CITATION VII HAD A SIMILAR PROB WITH TIRE FAILURE ON LNDG ROLLOUT, WHICH WAS ADDRESSED IN A PREVIOUS AD. THE CAUSE OF THE PROB WAS TRACED BACK TO DEFECTIVE TIRES. THE POTENTIAL DESIGN EXISTS CONCERNING THE RELATION WITH TIRE PRESSURE AND WHEEL ASSEMBLY INTEGRITY. AFTER TALKING WITH CESSNA, THEY INFORMED US THAT IF A MAIN TIRE ON THE EXCEL LOSES TIRE PRESSURE FOR WHATEVER REASON, THE TIRE ASSEMBLY CAN COME APART. IN OTHER WORDS TIRE INFLATION IS REQUIRED FOR WHEEL ASSEMBLY INTEGRITY. THIS MEANS THAT ANY TIRE MALFUNCTION, WHICH CAUSES A LOSS OF INFLATION WILL AUTOMATICALLY LEAD TO A WHEEL ASSEMBLY FAILURE ON AN ACFT WITH ONLY ONE TIRE ON EACH SIDE. IT SHOULD ALSO BE NOTED THAT THE CITATION EXCEL IS THE LARGEST SINGLE TIRE STRUT OF ANY BUSINESS JET. CESSNA KNOWS THE STRESSES ON THIS WHEEL ARE ITS RATED MAXIMUM. I RECOMMEND THAT TIRE PRESSURES ON THE CITATION EXCEL BE CHECKED DAILY WITH A PROPERLY CALIBRATED TIRE GAUGE AND EXTRA ATTENTION BE GIVEN TO THE CONDITION OF THE MAIN TIRES. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE ACFT WAS A CESSNA C560XL WITH ONE TIRE AND WHEEL ASSEMBLY ON EACH MAIN LNDG GEAR. THE RPTR SAID THE ACFT WAS BELOW MAXIMUM LNDG WEIGHT BY 2200 LBS. THE RPTR STATED THE TIRE AND WHEEL FAILED ON ROLLOUT AT 50 KTS AND THE AIRPLANE ROLLED ON THE INNER WHEEL. THE RPTR SAID CESSNA STATED THAT IF THE TIRE LOSSES INFLATION PRESSURE THE TIRE WILL COME APART.

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.