# SDR WRNA200500007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2005
- Submitted: March 24, 2005
- Operation: Air carrier
- Aircraft: [N510TA](https://openairdocs.org/aircraft/N510TA), registered now
- Make and model: Airbus A300 B4-203
- Registry model: [Airbus A300 B4-203](https://openairdocs.org/model/airbus-industrie-a300-b4-203) (OpenAirDocs)
- Aircraft serial: 100
- Aircraft time: 35,058 hours, 22,896 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Part number: 4034100901
- Part serial: 82090569
- Condition: Unserviceable
- Stage of operation: CL
- How discovered: V
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WRNA200500007

## Discrepancy

AFTER TAKEOFF, CAPTAINS AIRSPEED INDICATOR DECREASED TO ZERO (0). CAPTIANS ALTIMETER REMAINED AT 300 FT. DURING CLIMB OUT. AIRCRAFT RETURNED TO AIRPORT, LANDING NORMAL.  REMOVED AND REPLACED AIR DATA  COMPUTER IAW 34-12-34.  OPS AND FUNCTIONAL CHECK SATISFACTORY, AIRCRAFT RETURNED TO SERVICE.

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