# SDR DXTA2011080104675

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2011
- Submitted: August 1, 2011
- Operation: Air carrier
- Aircraft: [N630QS](https://openairdocs.org/aircraft/N630QS), registered now
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605130
- Aircraft time: 9,254 hours, 7,285 cycles
- System (JASC): [3421 · Attitude Gyro and Indicating System](https://openairdocs.org/jasc/3421)
- Part: Ahrs
- Part number: 1421851100
- Part serial: 2345
- Condition: Malfunctioned
- Location: Left
- Part time: 2,674 hours, 2,181 cycles
- Stage of operation: CR
- 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/DXTA2011080104675

## Discrepancy

LEFT PFD: "HEADING FAILURE - SINGLE" AT ALTITUDE.  R & R LT AHRS COMPUTER.  OPS CHECKED GOOD.  WORK DONE IAW MM 34-21-01.

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