# SDR AALA202402136239

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2024
- Submitted: February 13, 2024
- Operation: Air carrier
- Aircraft: [N921US](https://openairdocs.org/aircraft/N921US), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6523
- Aircraft time: 26,397 hours, 10,580 cycles
- System (JASC): [2782 · Leading Edge Slat Actuator](https://openairdocs.org/jasc/2782)
- Part: Actuator
- Part number: 830D000001
- Part serial: 0830D00LI210061
- Condition: Tripped
- Location: Slat System
- Part time: 26,397 hours, 10,580 cycles
- Stage of operation: AP
- How discovered: V
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202402136239

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED INBOUND INTO SEA DUE TO A FLIGHT CONTROL SLATS FAULT ECAM MESSAGE WITH ASSOCIATED MESSAGE SLAT 1 AND 2 SYSTEM JAM CHECK SLAT MECHANICAL DRIVE WHEN THE FLAPS WERE SELECTED TO 1 ON ARRIVAL. THE AIRCRAFT LANDED SAFELY AT SEA AND TAXIED TO THE GATE. MAINTENANCE FOUND LEFT WING SLAT ACTUATOR 6041CM TORQUE LIMITER TRIPPED AND REPLACED THE ACTUATOR PER AMM 27-84-49. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.

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