# SDR CALA2013092391363

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2013
- Submitted: September 27, 2013
- Operation: Air carrier
- Aircraft: [N824UA](https://openairdocs.org/aircraft/N824UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 965
- Aircraft time: 50,636 hours, 20,241 cycles
- Engine: Iae V2522A5
- System (JASC): [2211 · Autopilot Computer](https://openairdocs.org/jasc/2211)
- Part: Computer
- Condition: Faulty
- Location: Autopilot Sys
- Stage of operation: IN
- 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/CALA2013092391363

## Discrepancy

AUTO FLIGHT YAW DAMPENER STATUS MESSAGE.  TROUBLE SHOT YAW DAMPER 1 MSG.  NO ASSOCIATED CFDS MSGS.  PERFORMED GROUND SCAN OF THE AFS.  TEST FAULTED FAC 1. REPLACED FAC 1 IAW MM, OPERATIONS TEST OF THE AFS FAC 1 TEST PASSED.

---
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.