# SDR YENA20151111552

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 11, 2015
- Submitted: November 13, 2015
- Operation: Air carrier
- Aircraft: [N536JB](https://openairdocs.org/aircraft/N536JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1784
- Aircraft time: 54,396 hours, 19,211 cycles
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Avionics Unit
- Part number: HG2030AD13
- Part serial: 56009564
- Condition: Broken
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA20151111552

## Discrepancy

RETURNED TO DEPARTURE; UNABLE TO EXECUTE DIRECT TO FUNCTION ON EITHER MCDU.  UNABLE TO GET MAP ON F/O'S SIDE.  SWAPPED 2 AND 3 ADIRU'S NORMAL CONDITION NOTED.  SEE MDDR 265912 FOR S/N SWAP.  ADVISED MCC.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.