# SDR AALA202603029837

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 27, 2026
- Submitted: March 2, 2026
- Operation: Air carrier
- Aircraft: [N135NN](https://openairdocs.org/aircraft/N135NN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6520
- Aircraft time: 33,724 hours, 12,648 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Proximity Sensor
- Part number: ABS012130
- Condition: Faulty
- Location: Zone 600
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202603029837

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED ON APPROACH INTO RSW DUE TO THE FLIGHT CREW REPORTING A FLIGHT CONTROL FLAPS LOCKED MESSAGE. THE AIRCRAFT LANDED SAFELY AT RSW AND TAXIED TO THE GATE UNDER ITS OWN POWER. MAINTENANCE REPLACED THE RIGHT-WING TRAILING EDGE FLAP INTERCONNECTING STRUT PROXIMITY SENSOR 40CV AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK WITH NO ISSUES / FAULTS NOTED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.