# SDR AALA202301116131

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2023
- Submitted: January 11, 2023
- Operation: Air carrier
- Aircraft: [N923US](https://openairdocs.org/aircraft/N923US), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6543
- Aircraft time: 24,891 hours, 9,845 cycles
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Motor
- Condition: Defective
- Location: Zone 100 - Fuse
- Stage of operation: AP
- How discovered: V
- Nature of condition: J, F
- Precautionary procedure: L, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202301116131

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO A FLIGHT CONTROL SLATS FAULT. SLATS JAMMED AT 0 ON APPROACH INTO LAX, APROACH WAS ABORTED AND THE AIRCRAFT CIRCLED THEN LANDED SAFELY AT LAX WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE POWER CONTROL UNIT #1 MOTOR PER AMM 27-84-54. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.

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