# SDR SWAA991968

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 26, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N361SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 26572
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Pcu
- Part number: 65C370539
- Condition: Erratic
- Location: Rudder
- Stage of operation: DE
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA991968

## Discrepancy

DURING DESCENT, YAW DAMPER KICKED HARD TO THE LEFT AND DISCONNECTED.  AIRCRAFT FLEW NORMALLY THE REST OF THE FLIGHT WITH YAW DAMPER DISCONNECTED.  REMOVED AND REPLACED RUDDER PCU AND RUDDER STANDBY PCU.

---
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.