Service difficulty report · Compressor Vane

Difficulty date
July 7, 1995
Submitted
March 26, 2000
Operation
General aviation
Engine
Allsn 250C20B
Part
Compressor Vane
Part number
6877410
Condition
Failed
Location
3rd Stage
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

(CAN)SEVERE EROSION APPEARS TO HAVE CAUSED ONE OR MORE VANES ON THE THIRD STAGE TO SEPARATE FROM ROOT ATTACHMENT BRAZE JOINTS. SEPARATED VANES CAUSED MASSIVE SUBSEQUENT DAMAGE TO LATER STAGES OF VANES AND BLADES.