# SDR 2021FA0000191

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2020
- Submitted: July 2, 2021
- Operation: General aviation
- Aircraft: [N3225R](https://openairdocs.org/aircraft/N3225R), registered now
- Make and model: Piper PA-28R-180
- Registry model: [Piper PA-28R-180](https://openairdocs.org/model/piper-pa-28r-180) (OpenAirDocs)
- Aircraft serial: 28R31134
- Aircraft time: 3,529 hours
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Servo
- Part number: 0110292711
- Part serial: 5G9004344
- Condition: Failed
- Location: Autopilot
- Part time: 20 hours
- Component: Autopilot, Garmin Intl, GFC500
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2021FA0000191

## Discrepancy

GARMIN GSA28 ROLL SERVO FAILED AFTER APPROXIMATELY THREE MONTHS / 20 HOURS IN SERVICE . FLIGHT INSTRUMENTATION DISPLAYED A “SERVO HARDWARE FAULT” MESSAGE AND THE AUTOPILOT BECAME INOPERATIVE. THE SERVO DISPLAYED A “RED” STATUS LIGHT INDICATING FAILURE.

---
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.