# SDR DXTA200501040

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 28, 2005
- Submitted: November 1, 2005
- Operation: Air carrier
- Aircraft: [N309QS](https://openairdocs.org/aircraft/N309QS), registered now
- Make and model: Cessna 560CESSNA
- Aircraft serial: 5600509
- Aircraft time: 6,071 hours, 4,980 cycles
- System (JASC): [3411 · Pitot/Static System](https://openairdocs.org/jasc/3411)
- Part: Pitot Head
- Condition: Dirty
- Stage of operation: TO
- How discovered: O
- Nature of condition: S
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA200501040

## Discrepancy

DURING THE T/O ROLL AT APPROX 40 TO 60 KNOTS CAPT A/S INDICATOR REMAINED BLANK AND A/S COMPARISON MONITOR ILLUMINATED.  T/O WAS ABORTED.  VERIFIED DISCREPANCY.  NOTED DIRT DEBRIS IN LT PITOT.  PURGED PITOT LINE & TUBE WITH AIR.  LEAK TEST CHECKS GOOD.  AIRSPEED OPERATIONAL CHECKS GOOD.  MAINTENANCE DONE IAW 560 MAINTENANCE MANUAL CH 34-11-05.

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