# SDR AU000724

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2000
- Submitted: September 1, 2000
- Operation: General aviation
- Make and model: Frchld SA227DC
- System (JASC): [5541 · Rudder, Spar/Rib](https://openairdocs.org/jasc/5541)
- Part: Torque Tube
- Part number: 2742051037
- Condition: Worn
- Location: Rudder
- Part time: 9,967 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU000724

## Discrepancy

(AUS) RUDDER TORQUE TUBE ASSEMBLY WORN BEYOND LIMITS. CHAFING MARKS ARE APPROXIMATELY 0.254MM (0.010IN) DEEP. THE MAXIMUM DEPTH PERMITTED IS 0.0762MM (0.003IN). SUSPECT CAUSE OF WEAR IS MISALIGNMENT OF THE PRESSURISATION SEAL AT INSTALLATION ALLOWING IT TO CONTACTTHE TORQUE TUBE.

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