# SDR 2004UALA00026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 2004
- Submitted: February 10, 2004
- Operation: Air carrier
- Aircraft: N331UA
- Make and model: Boeing 737322
- Aircraft serial: 24192
- Aircraft time: 45,884 hours, 24,589 cycles
- Engine: Ge CFM56*
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Coupler
- Part number: MR22176
- Condition: Malfunctioned
- Location: Yaw Damper
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2004UALA00026

## Discrepancy

YAW DAMPER TRIPPED OFF.  *S/D*  REPLACED YAW DAMPER COUPLER.

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