# SDR DXTA2011010304389

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 1, 2011
- Submitted: January 3, 2011
- Operation: Air carrier
- Aircraft: [N818QS](https://openairdocs.org/aircraft/N818QS), registered now
- Make and model: Cessna 560CESSNA
- Aircraft serial: 5600778
- Aircraft time: 1,727 hours, 1,488 cycles
- Engine: Pwa PW535A
- System (JASC): [3420 · Attitude and Direction Data System](https://openairdocs.org/jasc/3420)
- Part: Gyro
- Condition: Malfunctioned
- 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/DXTA2011010304389

## Discrepancy

STBY GYRO DISPLAYED "EXT MANUV" ANNUNCIATOR AND SHOWED A 10 DEGREE RT BANK AND HEADING PRECESS OF MORE THAN 180 DEGREES. HEADING PRECESS ABOUT 10 DEGREES EVERY 2 MINUTES.  REPLACED STANDBY GYRO (SECONDARY FLIGHT DISPLAY) WITH REPAIRED UNIT, OPS CHECKED NORMAL. WORK PERFORMED IAW THE MM 34-21-17.

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