# SDR YENA20130211040

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2013
- Submitted: February 13, 2013
- Operation: Air carrier
- Aircraft: [N527JL](https://openairdocs.org/aircraft/N527JL), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1557
- Aircraft time: 38,880 hours, 14,186 cycles
- System (JASC): [3441 · Inertial Guidance System](https://openairdocs.org/jasc/3441)
- Part: Adiru
- Part number: HG2030AD11
- Part serial: 00053344
- Condition: Failed
- Location: Nr 1
- Part time: 38,871 hours, 14,179 cycles
- 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/YENA20130211040

## Discrepancy

FLT 807 BOS-STT, AIR TURNBACK TO BOS DUE TO ADR NR 1 LOST DURING CLIMB.  RECOVERED IR NR 1 IN ATT MODE.  REMOVED AND REPLACED ADIRU NR 1 IAW AMM CHAPTER 34-12-34-04.  OPS CHECK GOOD.

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