# SDR USAA2012051000023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 9, 2012
- Submitted: May 11, 2012
- Operation: Air carrier
- Aircraft: [N123UW](https://openairdocs.org/aircraft/N123UW), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 1310
- Aircraft time: 36,534 hours, 16,370 cycles
- System (JASC): [3441 · Inertial Guidance System](https://openairdocs.org/jasc/3441)
- Part: Iru
- Part number: 46502003030316
- Part serial: 1882
- Condition: Faulty
- Location: Nr 1
- Part time: 35,688 hours, 15,643 cycles
- 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/USAA2012051000023

## Discrepancy

ON TAKEOFF ROLL NEAR V1 SPEED, CAPTAIN'S AIRSPEED INDICATION WAS READING NEAR ZERO.  F/O'S INDICATION WAS NORMAL.  REJECTED TAKEOFF AND RETURNED TO GATE.  MAINTENANCE FOUND DEBRIS IN CAPTAIN'S PITOT PROBE.  FLUSHED PROBE AND REPLACED NR 1 AIR DATA INERTIAL REFERENCE UNIT IAW AIRBUS MAINTENANCE MANUAL 34-12-34-400.  ALSO REPLACED NR 1 & 2 WHEELS AND BRAKES DUE TO EXCESSIVE HEAT.

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