# SDR YENA2024042300658

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2024
- Submitted: April 23, 2024
- Operation: Air carrier
- Aircraft: [N958JB](https://openairdocs.org/aircraft/N958JB), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 06859
- Aircraft time: 31,440 hours, 10,104 cycles
- System (JASC): [3100 · Indicating/Recording System](https://openairdocs.org/jasc/3100)
- Part: Isis
- Part number: C16786EA01
- Part serial: C16786015101
- Condition: Failed
- Part time: 31,440 hours, 10,104 cycles
- Stage of operation: TO
- 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/YENA2024042300658

## Discrepancy

FLT#384, MCO-JFK. (AIRCRAFT PERFORMED AN AIR TURN BACK) BACK UP ATT INDICATOR SHOWING INCORRECT PITCH AND BANK DURING FLIGHT UP TO 90' BAN AND 20' PITCH WHILE STRAIGHT AND LEVEL; REMOVED AND REPLACED ISIS INDICATOR IAW AMM 34-22-25. ALL OPS CHECK OK . AIRCRAFT OK FOR SERVICE.'

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