# SDR DXTA200905213662

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2009
- Submitted: May 22, 2009
- Operation: Air carrier
- Aircraft: N657QS
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605636
- Aircraft time: 2,974 hours, 2,337 cycles
- System (JASC): [3420 · Attitude and Direction Data System](https://openairdocs.org/jasc/3420)
- Part: Display
- Condition: Inoperative
- Location: Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: P
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA200905213662

## Discrepancy

CLIMBING THROUGH 15,000 FT, THE CO-PILOTS SIDE PFD DISPLAYED AN ATTITUDE AND HEADING FAIL.  SWAPPED AHRS REFERENCE UNITS FOR TROUBLESHOOTING.  NO FAIL. SWAPPED BACK TO ORIGINAL POSITIONS. CHANGED CO-PILOT AHRS REFERENCE UNIT LCR-93 WITH INSPECTED UNIT. POWERED UP FOR 30 MINUTES WITH NO FAULT   ALL WORK PERFORMED REF MM 34-21-01

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