# SDR CALA2017122804628

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2017
- Submitted: December 28, 2017
- Operation: Air carrier
- Aircraft: [N404UA](https://openairdocs.org/aircraft/N404UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 450
- Aircraft time: 78,437 hours, 29,708 cycles
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Adiru
- Part number: HG1150AC08
- Part serial: 1548
- Condition: Malfunctioned
- Location: Nr 1
- Part time: 3,134 hours, 1,388 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2017122804628

## Discrepancy

NAV IR 1 2 3 FAULT ECAM WARNING. EMERGENCY DECLARED.  REMOVED AND REPLACED THE NR 1 ADIRU , OPS CHECKED GOOD IAW AMM 34-13-00, AND LAND TEST AFS PASSED. ACFT STATUS IS FULL CAPABILITY IAW AMM 22-97-00.

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