We’re still collecting data for this aircraft. Routes appear once we’ve seen it fly enough times.
The sequential failure of the 2nd-stage low pressure turbine nozzle locks, which allowed the 2nds stage turbine nozzle segments to rotate within the low pressure turbine case, machining a hole whereby the nozzle segments exited the engine. A factor was the failure of the mechanic to detect any failed 2nd state nozzle locks during the zone inspection.
Mcdonnell Douglas DC-10-30