# SDR AALA202112039985

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2021
- Submitted: December 3, 2021
- Operation: Air carrier
- Aircraft: [N668AW](https://openairdocs.org/aircraft/N668AW), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1764
- Aircraft time: 64,370 hours, 25,558 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Limiter
- Part number: DV84567015
- Part serial: 2813
- Condition: Faulted
- Location: Rudder
- Part time: 49,394 hours, 20,854 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202112039985

## Discrepancy

AIRCRAFT WAS GROUNDED: VERY SLIGHT UNCOMMANDED RUDDER MOVEMENT DURING DECENT AT APPROXIMATELY 4500FT, DFDR EVENT PB PRESSED SECDS LATER.   MAINTENANCE ACCOMPLISHED A GENERAL VISUAL INSPECTION OF THE RUDDER CONTROL SYS & FOUND RUDDER NEUTRAL POSITION DID NOT ALIGN WITH THE REFERENCE TRIANGLE & CENTERING ROD OUT OF LIMITS AT LOW TRAVEL RANGE DUE TO THE CENTERING ROD BEING WORN.  REPLACED CENTERING ROD & ADJUSTED THE RUDDER NEUTRAL POSITION PER AMM 27-21-48-401 AND AMM 27-24-00-820-001-A. REPLACED THE RUDDER TRAVEL LIMITER UNIT PER AMM 27-23-51-400-001-A.  REPLACED RUDDER TRIM ACTUATOR AND ACCOMPLISHED A RUDDER TRIM ADJUSTMENT PER AMM 27-22-00-820-001-A.

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