What was found
LT MAIN INBOARD WHEEL ASSY DEPARTED ACFT ON TAKEOFF ROLL. ACFT CONTINUED THE FLIGHT AND MADE A SUCCESSFUL LANDING ON REMAINING WHEEL. INVESTIGATION REVEALED THE WHEEL BEARINGS FAILED DUE TO CONTAMINATION OF THE BEARING LUBRICATION. TOTAL TIME SINCE MAIN WHEEL BEARING SEALING KIT NR 122-8001-1 WAS INSTALLED IS 137 HOURS. TOTAL TIME SINCE BEARING LUBRICATION IS 86 HOURS. SUGGEST A MORE FREQUENT INSPECTION AND LUBRICATION SCHEDULE FOR THESE BEARINGS. LUBRICATION SCHEDULE IS 100 HOURS OF OPERATION.