# SDR AU960943

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 26, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- 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
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU960943

## Discrepancy

(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

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