SDR AU960275

Service difficulty report · Turbine

Difficulty date
January 3, 1996
Submitted
March 26, 2000
Operation
General aviation
Engine
Allsn 250C20
Part
Turbine
Condition
Faulty
Location
T Eng Turbine Se
Component
Allsn · SERIES11
Stage of operation
IN
Nature of condition
O
Precautionary procedure
K

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

What was found

(AUS) ENGINE GAS PRODUCER TURBINE ASSEMBLY FAULTY - TURBINE ASSEMBLY HAD NIL HOURS SINCE OVERHAUL - GP SUPPORT MOUNTING FLANGE BENT - DURING DISMANTLING TO CHANGE THE SUPPORT THE FOLLOWING DEFECTIVE ITEMS WERE FOUND :-1. 1ST STAGE NGV PNO 6895021 - CRACKED AND VALVE DAMAGED 2. 1ST STAGE NGV HEAT SHIELD PNO 6890040 - CRACKED AND WARPED3. POSITION PLUGS (2OFF) PNO 6845899 - WORN 4. NO8 SUMP PNO 6845632 - EXCESSIVELY DENTED PERSONNEL/MAINTENANCE ERROR