# SDR FDEA201309212275

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2013
- Submitted: September 23, 2013
- Operation: Air carrier
- Aircraft: [N721FD](https://openairdocs.org/aircraft/N721FD), registered now
- Make and model: Airbus A300 B4-622R
- Registry model: [Airbus A300 B4-622R](https://openairdocs.org/model/airbus-a300-b4-622r) (OpenAirDocs)
- Aircraft serial: 477
- Aircraft time: 42,731 hours, 22,935 cycles
- System (JASC): [3416 · Altimeter, Barometric/Encoder](https://openairdocs.org/jasc/3416)
- Part: Adc
- Part number: 4045053914
- Part serial: 88060680
- Condition: Unknown
- Location: Zone 100
- Part time: 42,702 hours, 22,926 cycles
- 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/FDEA201309212275

## Discrepancy

AT APPROXIMATELY 80 KNOTS DURING TAKEOFF, CAPTAIN`S AIRSPEED FAILED, PITCH TRIM 1 TRIPPED, YAW DAMPER 1 TRIPPED,  ATS 1 TRIPPED,  AND ATS 2 TRIPPED.  ECAM BITE TEST SHOWED ADC NR 1 FAULT, FCC NR 1 FAULT.  FOUND NO FAULTS  ON ADC NR 1&2.  INSPECTED PITOT TUBE, PURGED PITOT LINES, NORMALISED PITOT PROBES.   R & R ADC NR 1. COMPLIED WITH 34-1-00-02. AGAIN C/O  ECAM SYS TEST IAW AMM: 31-51-00-05-01.   ALL TEST PASSED. C/W ADS SYS TEST.  TEST PASSED. C/W AFS/LAND TEST.

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