# SDR AALA20160603006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 31, 2016
- Submitted: June 3, 2016
- Operation: Air carrier
- Aircraft: [N933AN](https://openairdocs.org/aircraft/N933AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30080
- Aircraft time: 48,032 hours, 19,541 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Module
- Condition: Malfunctioned
- Location: Pitot Air Data
- 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/AALA20160603006

## Discrepancy

DURING TAKEOFF, THE INDICATED AIRSPEED DISAGREE LIGHT ILLUMINATED AT APPROX 60 KNOTS.  FIRST OFFICER`S & CAPTAIN`S AIR SPEED INDICATORS DIFFERED BY APPROX 15 KNOTS.  TAKEOFF ABORTED.   REMOVED AND REPLACED PITOT AIR DATA MODULE IAW AMM 34-21-04.  OPERATIONAL CHECK GOOD.

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