# SDR CA960129013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 16, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Cessna 441
- Registry model: [Cessna 441](https://openairdocs.org/model/cessna-441) (OpenAirDocs)
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Check Valve
- Part number: 249A4TB
- Condition: Leaking
- Location: Hyd Sys
- Part time: 5,389 hours
- Stage of operation: IN
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA960129013

## Discrepancy

(CAN)HYDRAULIC CHECK VALVE UNDER #2 PASSENGER SEAT LEAKED AND CONTAMINATED BOTH THE INSTRUMENT AIR PRESSURE LINES AND THE WATER SEPARATOR. UPON DISASSEMBLY OF THE VALVE, THE 'O' RINGS WERE FOUND DEFECTIVE.

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