# SDR 63710292004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 29, 2004
- Submitted: November 8, 2004
- Operation: Air carrier
- Aircraft: [N509QS](https://openairdocs.org/aircraft/N509QS), registered now
- Make and model: Gulstm GULFSTREAMGV
- Aircraft serial: 637
- Aircraft time: 3,303 hours, 1,198 cycles
- Engine: Rroyce BR700710A110
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Control Unit
- Part number: 1159SCC5063
- Part serial: 129
- Condition: Defective
- Location: Flaps
- Part time: 3,282 hours, 1,188 cycles
- Stage of operation: CR
- 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/63710292004

## Discrepancy

UNCOMMANDED STAB, FLAP/STAB SYS FAIL CH B, FLAP STAB MX REQ CAS MESSAGES.

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