# SDR GTIA2023121537696

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 13, 2023
- Submitted: December 15, 2023
- Operation: Air carrier
- Aircraft: [N908NK](https://openairdocs.org/aircraft/N908NK), registered now
- Make and model: Airbus A320-271N
- Registry model: [Airbus A320-271N](https://openairdocs.org/model/airbus-a320-271n) (OpenAirDocs)
- Aircraft serial: 8658
- Aircraft time: 15,477 hours, 6,475 cycles
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Indicator
- Part number: C16786EA01
- Part serial: C16786016126
- Condition: Failed
- Location: Instrument Panel
- Part time: 8,504 hours, 3,429 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2023121537696

## Discrepancy

STANDBY HORIZIN/ATTUDE INDICATOR FAILED IN FLIGHT-R & R'D ISIS INDICATOR OPS GOOD IAW AMM 34-22-25 AC OKAY FOR SERVICE

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