# SDR AALA2019062409001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 19, 2019
- Submitted: July 15, 2019
- Operation: Air carrier
- Aircraft: [N163US](https://openairdocs.org/aircraft/N163US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1417
- Aircraft time: 60,634 hours, 22,949 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Actuator
- Part number: 613703735
- Part serial: 61375
- Condition: Out Of Tolerance
- Location: Te Flaps
- Part time: 31,501 hours, 12,437 cycles
- Stage of operation: LD
- 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/AALA2019062409001

## Discrepancy

AIRCRAFT WAS GROUNDED: PILOT REPORTS AT 40 FEET DURING LANDING, RUDDER PEDALS HAD FLUTTER UNTIL MAIN GEAR TOUCH DOWN. FLAPS 3, AP OFF, GW 105,000, NO AIRFRAME VIBRATIONS NOTED.  MAINTENANCE REMOVED AND REPLACED THE RUDDER TRIM ACTUATOR IAW AMM. MAINTENANCE ALSO REMOVED AND REPLACED THE CABLE TENSION REGULATOR ASSEMBLY AND RUDDER CONTROL CENTERING ROD. RIG CHECKED GOOD IAW AMM 27-21-15

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