SDR AU960943

Service difficulty report · Nut

Difficulty date
June 26, 1996
Submitted
March 26, 2000
Operation
General aviation
Part
Nut
Part number
70953
Condition
Separated
Location
Prop Cntrl Sys
Component
Mcauly · C290D2T4
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) PROPELLER CONSTANT SPEED UNIT (CSU) FLYWEIGHT PIN NUT SEPARATED -THE PIN SECURES THE FLYWEIGHT AND DISC TOGETHER (FLYWEIGHT ASSEMBLY PNO A20063) - THE PIN THEN MOVED OUT DUE TO CENTRIFUGAL FORCE CONTACTING THE INSIDE BODY AND WORE A GROOVE 0.794MM (0.0312IN) DEEP - THE HEAD OF THE PIN HAD ALSO WORN AWAY - THE NUT TAB WASHER WAS FOUND JAMMED BETWEEN THE SPEEDER SPRING AND THE END FITTING - THE FLYWEIGHT SPACERS WERE FOUND LOOSE IN FLYWEIGHT CHAMBER BUT THERE WAS NO SIGN OF THE NUT