# SDR AALA201912209015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 19, 2019
- Submitted: December 20, 2019
- Operation: Air carrier
- Aircraft: [N906AA](https://openairdocs.org/aircraft/N906AA), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7651
- Aircraft time: 8,322 hours, 3,167 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adiru
- Part number: HG2030BE03X
- Part serial: 56101364
- Condition: Faulty
- Location: Nr 1
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201912209015

## Discrepancy

AIRCRAFT NOT GROUNDED: PILOT REPORTS ON TAKEOFF ROLL AT APROX 120KTS, CAPTS PFD & ND WENT BLANK, ON CLIMB OUT. NAV IR 1 FAULT CAME ON ACCOMP ECAM ACTION. IR 1 FAULT LIGHT BLINKED ENTIRE FLIGHT. MAINTENANCE REPLACED #1 ADIRU IAW AMM 34-12-34-001. OPS CHECK NORMAL.1

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