# SDR AU000335

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2000
- Submitted: June 23, 2000
- Operation: General aviation
- Make and model: Cessna 421C
- Registry model: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- Engine: Cont GTSIO520L
- Propeller: Mcauly 3FF32C501
- System (JASC): [3243 · Master Cylinder/Brake Valve](https://openairdocs.org/jasc/3243)
- Part: Seal
- Part number: 8000016
- Condition: Worn
- Location: Master Cyl/Brake
- Component: Master Cyl/Brake, Cessna, 50440004
- Stage of operation: TX
- 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/AU000335

## Discrepancy

(AUS) BRAKE MASTER CYLINDER LOC O SEAL'' FAILED.

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