SDR AU980077

Service difficulty report · Diaphragm

Difficulty date
January 22, 1998
Submitted
March 26, 2000
Operation
General aviation
Engine
Pwa PT6A27
Propeller
Hartzl HCB3TN3
Part
Diaphragm
Part number
310334701
Condition
Failed
Location
Compressor Bleed
Component
Pwa · BLEEDVALVE
Stage of operation
TO
Nature of condition
E, R
Precautionary procedure
C, D

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

What was found

(AUS) ENGINE WOULD ONLY PRODUCE 40PSI TORQUE DURING TAKEOFF. GROUND INVESTIGATION FOUND THAT THE COMPRESSOR BLEED VALVE DIAPHRAGM WAS HOLED.