Jun 25, 1999
Incident
SAN DIEGO, CA
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 121
Probable Cause
failure of the number three bearing. The resulting oil leak from the bearing led to coke/carbon buildup, which resulted in chafing of the turbine's low-pressure compressor drive shaft on the rear compressor seal tube and subsequent fracture of the drive shaft.
NTSB LAX99IA230