# SDR IPXA12173590

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2012
- Submitted: May 18, 2012
- Operation: Air carrier
- Aircraft: N155UP
- Make and model: Airbus A300 F4-622R
- Registry model: [Airbus A300 F4-622R](https://openairdocs.org/model/airbus-a300-f4-622r) (OpenAirDocs)
- Aircraft serial: 0841
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Part number: 4045053914
- Part serial: 31245690
- Condition: Inoperative
- Location: Cockpit
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA12173590

## Discrepancy

CAPTAIN`S AIRSPEED WENT TO 80 KNOTS, F/O WENT TO ZIPPER CAPTAIN`S ALT REMAINED CORRECT F/O ALT WENT 300' HIGH YAW DAMPER CLICKED OFF.  NO FLAGS OR ECAM WARNINGS.  EMERGENCY DECLARED.  REPLACED NR 1 ADC IAW MM 34-11-34-04.

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