# SDR HALA2019020400034

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 2019
- Submitted: February 5, 2019
- Operation: Air carrier
- Aircraft: [N395HA](https://openairdocs.org/aircraft/N395HA), registered now
- Make and model: Airbus A330-243
- Registry model: [Airbus A330-243](https://openairdocs.org/model/airbus-a330-243) (OpenAirDocs)
- Aircraft serial: 1469
- Aircraft time: 23,456 hours, 3,617 cycles
- System (JASC): [3441 · Inertial Guidance System](https://openairdocs.org/jasc/3441)
- Part: Adiru
- Condition: Faulted
- Location: Nr 3
- Stage of operation: CL
- 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/HALA2019020400034

## Discrepancy

ATB RETURNED TO LAX DUE TO THE NAV ADR 3 FAULT. SWAPPED NR 2 ADIRU WITH NR 3 ADIRU AND DEFERRED NR 2 ADIRU PER MEL 34-10-01B-LAX REPLACED NR 2 ADIRU.

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