# SDR DXTA2000810053295

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 5, 2008
- Submitted: May 21, 2009
- Operation: Air carrier
- Aircraft: [N944QS](https://openairdocs.org/aircraft/N944QS), registered now
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500144
- Aircraft time: 7,810 hours, 4,760 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Schrader Valve
- Condition: Leaking
- Location: Gauge
- Part time: 2,546 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2000810053295

## Discrepancy

STANDBY RUDDER SYS FAILED IN FLIGHT. CHECKED STANDBY RESERVOIR LEVEL IAW MM 29-20-05, OPS CHECK GOOD. TROUBLESHOT, PUMP CYCLING TOO LONG. 
FOUND ACCUMULATOR NITROGEN SERVICE AT 900 PSI , SPEC IS 2000 PSI, +-100 PSI. FOUND SCHRADER VALVE IN GAUGE LEAKING.  REMOVED AND REPLACED GAUGE ASSY IAW MM 29-10-04. LK CHECK GOOD. CLOSED PANEL. OK TO INSTALL GAUGE. OK TO CLOSE PNL.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
