# SDR AALA201711219051

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2017
- Submitted: November 21, 2017
- Operation: Air carrier
- Aircraft: [N703UW](https://openairdocs.org/aircraft/N703UW), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 904
- Aircraft time: 51,434 hours, 29,586 cycles
- System (JASC): [3441 · Inertial Guidance System](https://openairdocs.org/jasc/3441)
- Part: Warning Message
- Condition: False Activation
- Location: Adr
- Stage of operation: AP
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201711219051

## Discrepancy

NAV ADR DISAGREE, DECLARED AN EMERGENCY, DUE TO THE NAVIGATION ADR 1 FAULT.  TROUBLESHOT IAW 34-11-00-810801A, AND THE INTERFACE WAS TESTED IAW AMM 34-13-00-740-002A , SYSTEM CHECKED GOOD.  FAULT CLEARED AND NO PREVIOUS HISTORY IN PAST 30 DAYS.  AIRCRAFT WAS GROUNDED.

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