# SDR 2005FA0000273

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2005
- Submitted: January 11, 2005
- Operation: General aviation
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 0093
- Aircraft time: 4,550 hours, 3,055 cycles
- System (JASC): [2912 · Hydraulic Filter, Main](https://openairdocs.org/jasc/2912)
- Part: Filter
- Part number: 99144655
- Condition: Leaking
- Location: Hyd System
- Part time: 4,550 hours, 3,055 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/2005FA0000273

## Discrepancy

HYDRAULIC LEAK FROM RT PYLON NOTED DURING POST FLIGHT, CAUSE: RUDDER STANDBY FILTER ASSEMBLY DIFFERENTIAL PRESSURE INDICATOR HAD 1 RETAINING SCREW SHEARED AT THE HEAD P/N AA-2100-11D99. 3000 PSI OF SYSTEM PRESSURE CAUSED O-RING DAMAGE AND THE SUBSEQUENT LEAK.

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