# SDR AALA202406240223

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 23, 2024
- Submitted: June 24, 2024
- Operation: Air carrier
- Aircraft: [N165US](https://openairdocs.org/aircraft/N165US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1431
- Aircraft time: 74,571 hours, 28,896 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Decoder
- Part number: Z030H0005110
- Part serial: 44067
- Condition: Malfunctioned
- Location: L3 Door
- Part time: 74,581 hours, 28,899 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202406240223

## Discrepancy

AIRCRAFT WAS GROUNDED: DOOR L3 EXIT LIGHT ILLUMINATES WHEN MAIN CABIN DOOR CLOSES, ALL OTHER EXIT LIGHTS OPERATE NORMALLY. REPLACED DECODER/ENCODER UNIT.

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