# SDR YENA200331

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2003
- Submitted: October 29, 2003
- Operation: Air carrier
- Aircraft: [N533JB](https://openairdocs.org/aircraft/N533JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1652
- Aircraft time: 7,030 hours, 2,794 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Part number: PG1152BC02
- Part serial: 01084106
- Condition: Inoperative
- Location: Nr 2
- Part time: 7,030 hours, 2,794 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: P
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA200331

## Discrepancy

ON TAKEOFF ROLL AT 115 KTS CAPTS AIRSPEED, F/O AIRSPEEDS READ 60 KTS, ABORTED TAKEOFF.  F/O PITOT PROBES INSPECTED, NO EVIDENCE OF OBSTRUCTION NOTED.  ADIRU 2, OPS CHECK PERFORMED PER MM 34-13-00 AS PRECAUTIONARY, F/O ADR TRANSFERRED TO MEL 34-10-01 CAT III DOWNGRADED, REMOVED FROM RVSM. REMOVED AND REPLACED ADR NR 2 PER 34-11-17 AND PERFORMED ADR TEST PER 34-13-00, MEL REMOVED.

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