# SDR AALA202201072155

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 5, 2022
- Submitted: January 7, 2022
- Operation: Air carrier
- Aircraft: [N922US](https://openairdocs.org/aircraft/N922US), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6537
- Aircraft time: 22,080 hours, 8,644 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Cids
- Part number: Z014H000333B
- Part serial: 014H00010375
- Condition: Inoperative
- Location: Zone 200 - Fuse
- Part time: 889 hours, 369 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202201072155

## Discrepancy

AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT REPORTS ALL CABIN LIGHTS INCLUDING EMERGENCY LIGHTS INTERMITTENTLY COME ON FULL BRIGHT UNCOMANDED. 4 TIMES ON 3 HOUR FLIGHT. REMOVED AND REPLACED CABIN INTERCOMMUNICATION DATA SYSTEM NUMBER 1 PER AMM 23-73-34.

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