# SDR DBCA202108260003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2021
- Submitted: August 30, 2021
- Operation: Air carrier
- Aircraft: [N265CM](https://openairdocs.org/aircraft/N265CM), registered now
- Make and model: Cessna 560CESSNA
- Aircraft serial: 5600521
- Aircraft time: 8,462 hours, 8,117 cycles
- System (JASC): [3421 · Attitude Gyro and Indicating System](https://openairdocs.org/jasc/3421)
- Part: Vertical Gyro
- Part number: 7000622901
- Part serial: 05019704
- Condition: Failed
- Location: Zone 100
- Part time: 113 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DBCA202108260003

## Discrepancy

ON TAXI OUT CREW NOTED AIRCRAFT ATTITUDE MISCOMPARE.  AIRCRAFT RETURNED TO BLOCK.   MAINTENANCE DETERMINED #2 VERTICAL GYRO HAD FAILED.  #2 VERTICAL GYRO REPLACED WITH OVH UNIT.  OPERATIONAL TEST OF #2 VERTICAL GYRO GOOD.

---
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.