# SDR YENA20120530510

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 30, 2012
- Submitted: May 30, 2012
- Operation: Air carrier
- Aircraft: [N519JB](https://openairdocs.org/aircraft/N519JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1398
- Aircraft time: 45,016 hours, 16,491 cycles
- System (JASC): [3425 · Integrated Flight System](https://openairdocs.org/jasc/3425)
- Part: Unknown
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: UK
- 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/YENA20120530510

## Discrepancy

FLT 844 SJU-BOS, AIR TURNBACK DUE TO STANDBY HORIZON INOP.  RESET ISIS IAW AMM 34-20-00-05.  OPS CHECK OK.

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