# SDR VJT2004F00001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 25, 2004
- Submitted: September 27, 2004
- Operation: Air carrier
- Aircraft: [N92B](https://openairdocs.org/aircraft/N92B), registered now
- Make and model: Cessna 550
- Registry model: [Cessna 550](https://openairdocs.org/model/cessna-550) (OpenAirDocs)
- Aircraft serial: 5500471
- Engine: Pwa JT15D4
- System (JASC): [2760 · Drag Control System](https://openairdocs.org/jasc/2760)
- Part: Switch
- Part number: 602EN166
- Condition: Shorted
- Location: Rt Speedbrake
- Part time: 6,776 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/VJT2004F00001

## Discrepancy

PILOT REPORTED SPEED BRAKES WOULD NOT DEPLOY.  CONFIRMED MALFUNCTION DURING GROUND TEST.  TROUBLESHOT SYSTEM.  FOUND DEFECTIVE SWITCH S202 (RT RETRACT LIMIT).  REPLACED SWITCH IAW MM, OPERATIONAL TEST SATISFACTORY.

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