# SDR DXTA200601600

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 13, 2006
- Submitted: September 20, 2006
- Operation: Air carrier
- Aircraft: [N978QS](https://openairdocs.org/aircraft/N978QS), registered now
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500187
- Aircraft time: 4,676 hours, 2,914 cycles
- System (JASC): [3411 · Pitot/Static System](https://openairdocs.org/jasc/3411)
- Part: Pitot Head
- Condition: Clogged
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA200601600

## Discrepancy

DURING TAKEOFF ROLL AT 70 KIAS YAW DAMP FAIL AND MACH TRIM OFF YD NOT CENTERING ALL AMBER AND FGC A AND B FAIL CYAN EICAS MESSAGE.  ENTERED IMT + PULLED CODES.  FOUND CODES FOR AIR DATA MISCOMPARE.  INSPECTED AIR DATA SYSTEM  FOUND WATER IN THE PITOT LINES  PURGED AIR DATA LINES  PERFORMED OPERATIONAL, LEAK CHECK, + ALTITUDE CORRELATION.  ALL CHECKS GOOD IAW FAR 91.411 FAR 43 APPENDIX E + CE750 MM 34-11-08, + 34-11-01.

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