# SDR F3LA95004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N207AU](https://openairdocs.org/aircraft/N207AU), registered now
- Make and model: Boeing 737201
- Aircraft serial: 19423
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Pcu
- Part number: 65448614
- Condition: Malfunctioned
- Location: Rudder
- Part time: 61,488 hours
- Stage of operation: AP
- Nature of condition: F
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/F3LA95004

## Discrepancy

BZN - UPON APPROACH, AIRCRAFT STARTED TO YAW LEFT AND RIGHT AFTER SELECTING 40 DEGREE FLAP SETTING.  PILOT TURNED OFF YAW DAMPER AND YAW PROBLEM WAS CORRECTED.  PLACARDED PER MEL 22-3.  ON JANUARY 31, 1995, MAINTENANCE REPLACED YAW DAMPER COUPLER AND THE RUDDER PCU.  SYSTEM CHECKED OKAY.  REFERENCE CONTROL NR 95ZZZX784.  (X)

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