SDR AU960047

Service difficulty report · Blade

Difficulty date
January 11, 1996
Submitted
March 26, 2000
Operation
General aviation
Engine
Pwa PT6A34
Part
Blade
Condition
Fod
Location
T Eng Cmprsr/Fan
Stage of operation
CL
Nature of condition
E, R
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 GENERATOR 1ST STAGE COMPRESSOR BLADES (15OFF) CONTAIND FOD TO THE LEADING EDGES - INVESTIGATION FOUND THAT THE 1ST STAGECOMPRESSOR SPACER RUBBED ON THE STATOR AND CRACKED CIRCUMFERENTIALLY LIBERATING A PIECE OF MATERIAL APPROXIMATELY 12.7MM (0.5IN) WIDE AND 76.2MM (3IN) LONG WHICH WAS INGESTED THROUGH THE COMPRESSOR - DAMAGE TO THE TRAILING EDGES OF THE 1ST STAGE STATOR BLADES - EVIDENCE OF FURTHER DAMAGE DOWNSTREAM - ONE COMPRESSOR BLADE HAD FORE AND AFT MOVEMENT OF APPROXIMATELY5.08MM TO 7.62MM (0.2IN TO 0.3IN)