# SDR DALA2020031001779

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 6, 2020
- Submitted: March 10, 2020
- Operation: Air carrier
- Aircraft: [N340NW](https://openairdocs.org/aircraft/N340NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 372
- Aircraft time: 82,290 hours, 36,328 cycles
- System (JASC): [3441 · Inertial Guidance System](https://openairdocs.org/jasc/3441)
- Part: Air Data Module
- Condition: Faulty
- Location: Cockpit
- Stage of operation: AP
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2020031001779

## Discrepancy

SHIP 3240 - GEAR - DUE TO THE LOSS OF ADIRU-1 & 3. ADIRU-3 WAS ON MEL AND ADIRU-1 FAILED EN ROUTE. ALTERNATE LANDING GEAR EXTENSION WAS CARRIED OUT AND THE SHIP WAS TOWED TO THE GATE DUE TO THE LOSS OF NOSE GEAR STEERING. CORRECTIVE ACTION - REPLACED AIR DATA MODULE ADM-4 (19FP4) - RT STATIC PRESSURE

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