# SDR AU960397

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Doug DC3C-S1C3G
- Registry model: [Doug DC3C-S1C3G](https://openairdocs.org/model/douglas-dc3c-s1c3g) (OpenAirDocs)
- System (JASC): [5540 · Rudder Structure](https://openairdocs.org/jasc/5540)
- Part: Bracket
- Part number: 31151251
- Condition: Corroded
- Location: Rudder Struct Sy
- 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/AU960397

## Discrepancy

(AUS) RUDDER BRACKETS PNO 3115125-1 CONTAINED SEVERE EXFOLIATION CORROSION - IN THE AREA WHERE THE TOP BRACKET HAD CORRODED THROUGH THE BEARING DROPPED ONTO THE LOWER BRACKET WHICH ALSO  CONTAINED SEVERE EXFOLIATION CORROSION WHICH HAD REDUCED THE THICKNESS TO 1.587MM (0.0625IN) - THE TOP BEARING HAD FAILED AND THE BALLS HAD FALLEN OUT ALLOWING FOWARD AND AFT MOVEMENT OF THE RUDDER CAUSING THE MID AND LOWER BEARINGS TO ALSO FAIL

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