# SDR AALA202601305515

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2026
- Submitted: January 30, 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: 33,459 hours, 12,528 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Proximity Sensor
- Part number: ABS012130
- Condition: Faulted
- Location: Zone 500  Flaps
- Stage of operation: AP
- 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/AALA202601305515

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED ON APPROACH INTO MIA DUE TO THE FLT CREW REPORTING FLAPS LOCKED ALIGNMENT FAULT WITH THE FLAPS AT 2. THE ACFT LANDED SAFELY AT MIA & TAXIED TO GATE UNDER ITS OWN POWER.  MAINT REPLACED THE LT WING T/E FLAP INTERCONNECTING STRUT PROX SENSORS 37CV (AALA202601215515) & 39CV (AALA202601307885) IAW AMM 27-51-44.  MAINTENANCE ALSO REPLACED RT WING T/E FLAP INTERCONNECTING STRUT PROXIMITY SENSORS 38CV (AALA202601306073) AND 40CV (AALA202601305360) IAW AMM 27-51-44.  A SATISFACTORY OPS CHECK ACCOMPLISHED WITH NO ISSUES 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.