# SDR AALA201703019026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2017
- Submitted: March 4, 2017
- Operation: Air carrier
- Aircraft: [N572UW](https://openairdocs.org/aircraft/N572UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5899
- Aircraft time: 11,570 hours, 4,508 cycles
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Limiter
- Condition: Tripped
- Location: Le Slat
- Stage of operation: LD
- How discovered: O
- Nature of condition: F, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201703019026

## Discrepancy

AIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED SLAT FAULT UPON INITIAL CONFIGURATION INTO SEA. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT LANDED SAFELY WITHOUT FURTHER INCIDENT. IT WAS REPORTED THAT THE AIRCRAFT LANDED SLAT 0 / FLAP 3 AT APPROXIMATE SPEED 170 WITH A LANDING WEIGHT OF 163, 000. MAINTENANCE FOUND THE RIGHT WING TORQUE LIMITER (6087CM) TRIPPED. CLEANED, INSPECTED AND LUBED MECH. RESET TORQUE LIMITER AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK OF THE SLAT SYSTEM.

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