# SDR AUS20030723

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 2003
- Submitted: September 4, 2003
- Operation: General aviation
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Engine: Cont TSIO520VB
- Propeller: Mcauly 3AF32C93
- System (JASC): [8550 · Reciprocating Engine Oil System](https://openairdocs.org/jasc/8550)
- Part: Valve
- Part number: 402C0026
- Condition: Contaminated
- Location: Lt Engine
- Part time: 10,369 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AUS20030723

## Discrepancy

(AUS) LT ENGINE LOST OIL PRESSURE AND WAS SHUT DOWN. INVESTIGATION FOUND HARD CARBON PARTICLES IN THE LT ENGINE OIL PRESSURE RELIEF VALVE.

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