SDR AU970421

Service difficulty report · Turbine · Boeing 737376

Difficulty date
April 12, 1997
Submitted
March 26, 2000
Operation
General aviation
Make and model
Boeing 737376
Part
Turbine
Part number
38420722
Condition
Failed
Location
Apu Core Engine
Component
Garrtt · GTCP85
Stage of operation
NR
Nature of condition
E
Precautionary procedure
K, H

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(AUS) APU FAILED - DEBRIS EXITING FROM EXHAUST - INVESTIGATION FOUNDTHAT THE TURBINE WHEEL AND SHAFT ASSEMBLY FAILED AND HUB SEPARATED DUE TO `HAFNIUM INCLUSION'