Total power loss involving a British Aerospace PLC BAe 146-200-11, VH-JJS, 74 km south of Broome Aerodrome, Western Australia, on 23 June 1998

199804030

Summary

While climbing through FL 210 on route from Broom to Perth, the aircraft's No 1 engine experienced a sudden failure. The crew shut the engine down and diverted the aircraft to Newman where it landed safely. The engine examination revealed extensive secondary damage to the High-Pressure Turbine (HPT) section caused by failure in the HPT Stage 2 area. All Stage 2 blades had failed.

The blade fracture surfaces contained small area of fatigue at the trailing edges. The fatigue area was not large enough the cause failure of the blades. It is suspected that the Stage 2 nozzle honeycomb abradable material partially separated from the nozzle, initiating a one per revolution vibration that resulted in fatigue propagating through majority of the Stage 2 blades. The engine failure was probably caused by a section of the honeycomb separating and causing blades failure.

Occurrence summary

Investigation number 199804030
Occurrence date 23/06/1998
Location 74 km south of Broome Aerodrome
State Western Australia
Report release date 02/10/1998
Report status Final
Investigation type Occurrence Investigation
Investigation status Completed
Mode of transport Aviation
Occurrence class Incident

Aircraft details

Manufacturer British Aerospace
Model BAe 146-200-11
Registration VH-JJS
Sector Jet
Departure point Broome WA
Destination Perth WA
Damage Nil