# SDR QXEA2014050100369

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2014
- Submitted: May 5, 2014
- Operation: Air carrier
- Aircraft: N409QX
- Make and model: Bombdr DHC8402
- Aircraft serial: 4051
- Aircraft time: 30,439 hours, 31,544 cycles
- System (JASC): [3420 · Attitude and Direction Data System](https://openairdocs.org/jasc/3420)
- Part: Ahrs
- Part number: 42000332501
- Part serial: 543
- Condition: Malfunctioned
- Location: Nr 1
- Part time: 26,205 hours
- Stage of operation: NR
- 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/QXEA2014050100369

## Discrepancy

ELEVATOR FEEL CAUTION LIGHT AND ATT FAIL HEADING, FAIL IVSI, FAIL ON NR 1 PFD, HEADING FAIL ON MFD NR 1 SWITCHED TO EFIS ATT/HEADING NR 2 AND CAPTS ATT/HEADING RETURNED TO NORMAL. RETURNED TO FIELD.  LANDING UNEVENTFUL. R & R AHRU 1 IAW MAINTENANCE 6342101. OPS TEST GOOD.  RETURNED TO SERVICE.

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