# SDR AALA201910219017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 18, 2019
- Submitted: October 21, 2019
- Operation: Air carrier
- Aircraft: [N107NN](https://openairdocs.org/aircraft/N107NN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5938
- Aircraft time: 20,608 hours, 4,236 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Proximity Sensor
- Part number: ABS012130
- Condition: Unreliable
- Location: Rt Wing Te Flaps
- 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/AALA201910219017

## Discrepancy

AIRCRAFT WAS GROUNDED: CAPTAIN DECLARED AN EMERGENCY INTO LAX ON ACCOUNT OF FLIGHT CONTROL FLAP LOCKS ALIGNMENT FAILURE. MAINTENANCE REMOVED & REPLACED THE RH WING FLAP INTERCONNECT STRUT PROX SENSOR 38CV IAW AMM 27-51-44. OPS TEST OK.

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