# SDR DALA2025073105733

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2025
- Submitted: July 31, 2025
- Operation: Air carrier
- Aircraft: [N378DN](https://openairdocs.org/aircraft/N378DN), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 8822
- Aircraft time: 18,808 hours, 7,957 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Sensor
- Condition: Out Of Rig
- Location: Zone 500 Flap
- Stage of operation: AP
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025073105733

## Discrepancy

DECLARED EMERGENCY DUE TO A FLAPS LOCKED MESSAGE. SYSTEM IS FAULTING LT MECHANICAL DRIVE.  FOUND LEFT FLAP INTERCONNECT STRUT SENSORS OUT OF RIG. REPLACED STRUT AND RIGGED SENSORS. (LP 7043614)

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