# SDR 2HGR2020072701

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2020
- Submitted: July 28, 2020
- Operation: General aviation
- Aircraft: [N393SG](https://openairdocs.org/aircraft/N393SG), registered now
- Make and model: Cessna 525B
- Registry model: [Cessna 525B](https://openairdocs.org/model/cessna-525b) (OpenAirDocs)
- Aircraft serial: 525B0377
- Aircraft time: 2,822 hours, 2,058 cycles
- System (JASC): [2760 · Drag Control System](https://openairdocs.org/jasc/2760)
- Part: Speed Brake
- Part number: 991242330
- Part serial: 1176
- Condition: Unwanted Deploy
- Part time: 2,822 hours, 2,058 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2HGR2020072701

## Discrepancy

15 MINUTES PRIOR TO LANDING, CREW NOTICED AN UNCOMMANDED PARTIAL SPEED BRAKES DEPLOYMENT. CREW PROCEEDED WITH CHECK LIST, COULD NOT GET SPEED BRAKES STOWED.  LANDED SAFELY WITHOUT ANY ISSUES. AFTER LANDING, SPEED BRAKES WERE STILL PARTIALLY DEPLOYED.

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