# SDR ZESA2008011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 2008
- Submitted: November 24, 2008
- Operation: Air carrier
- Aircraft: [N824CB](https://openairdocs.org/aircraft/N824CB), registered now
- Make and model: Cessna 550
- Registry model: [Cessna 550](https://openairdocs.org/model/cessna-550) (OpenAirDocs)
- Aircraft serial: 5500824
- Aircraft time: 3,818 hours, 4,022 cycles
- System (JASC): [3411 · Pitot/Static System](https://openairdocs.org/jasc/3411)
- Part: Pitot Line
- Condition: Obstructed
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ZESA2008011

## Discrepancy

CREW IDENTIFIED AN INDICATED AIRSPEED MISCOMPARE ON TAKEOFF 15-20 KNOTS DIFFERENCE.  THEY ABORTED THE TAKEOFF.  MAINT REMOVED BOTH PITOT LINES FROM BOTH ADC'S AND BLEW OUT THE LINES.  RECONNECTED AND TESTED ALL SYSTEMS.

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