# SDR IPXA2021083173359

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 31, 2021
- Submitted: August 31, 2021
- Operation: Air carrier
- Aircraft: [N469UP](https://openairdocs.org/aircraft/N469UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25485
- Aircraft time: 31,567 hours, 19,201 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Condition: Faulted
- Location: First Officer'S
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2021083173359

## Discrepancy

INSPECTION TYPE:N/A*AIR TURNBACK* IAS DISAGREE EICAS ON T/O CAPTAIN STBY AIRSPEED MATCHED CAPTAIN AIRSPEED FO AIRSPEED DISAGREEDREMOVED AND REPLACED FO ADC IAW AMM 34-12-01 OPS/CHECK GOOD AT THIS TIME ESR 34-12-01-01 (054R)

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