# SDR DXTA200802784

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2008
- Submitted: January 22, 2008
- Operation: Air carrier
- Aircraft: [N834QS](https://openairdocs.org/aircraft/N834QS), registered now
- Make and model: Cessna 560CESSNA
- Aircraft serial: 5600669
- Aircraft time: 2,628 hours, 2,090 cycles
- Engine: Pwa PW535A
- System (JASC): [3414 · Airspeed/Mach Indicator](https://openairdocs.org/jasc/3414)
- Part: Indicator
- Condition: Inoperative
- Location: Cockpit
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA200802784

## Discrepancy

ON TAKEOFF CAPT'S AIRSPEED GAVE NO INDICATION, RED AIRSPEED ENUNCIATION SHOWED ON AIRSPEED INDICATOR.   SIMULATED AIRSPEED WITH PITOT/STATIC TEST SET AND COULD NOT DUPLICATE DISCREPANCY. CHECKED NR 1 PITOT HOSE FOR MOISTURE, NO MOISTURE FOUND. BLEW OUT NR 1 PITOT LINES FROM ADC END. RE-ATTACHED HOSE. NR 1 PITOT SYTEM LEAK CHECKED GOOD. NR 1 AIRSPEED FUNCTION CHECKED GOOD. MAINTENANCE ACCOMPLISHED IAW MM 34-11-26.

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