SDR AU000359

Service difficulty report · Turbine · A109AMK2

Difficulty date
May 3, 2000
Submitted
June 23, 2000
Operation
Air carrier
Make and model
A109AMK2
Engine
Allsn 250C20B
Part
Turbine
Part number
6898735
Condition
Failed
Location
Turbine Section
Component
Turbine Section · Allsn · 250C20B
Stage of operation
NR
Nature of condition
E
Precautionary procedure
K

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

What was found

(AUS) RH ENGINE TURBINE FAILED. SUSPECT CAUSED BY NO8 BEARING SUMP NUTCOMING LOOSE AND ALLOWING THE NO8 BEARING OIL NOZZLE TO DISLODGE. SUSPECT FAILURE THEN OCCURRED DUE TO FAILURE OF NO8 BEARING.