# SDR 371PA0041

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 26, 2004
- Submitted: March 30, 2004
- Operation: Air carrier
- Aircraft: [N371PA](https://openairdocs.org/aircraft/N371PA), registered now
- Make and model: Boeing 737306
- Aircraft serial: 23543
- Aircraft time: 34,735 hours, 26,235 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Transfer Valve
- Part number: 75130
- Condition: Inoperative
- Location: Yaw Damper
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/371PA0041

## Discrepancy

YAW DAMPER INOPERATIVE.  RELEASED ON MEL.  03/29/2004:  REPLACED RUDDER POWER CONTROL UNIT TRANSFER VALVE PER MM 22-12-21.  OPS CHECKS 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.