# SDR AALA202202167503

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2022
- Submitted: February 16, 2022
- Operation: Air carrier
- Aircraft: [N111US](https://openairdocs.org/aircraft/N111US), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 1114
- Aircraft time: 59,289 hours, 34,233 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Cids
- Part number: Z010H001521A
- Part serial: 02868
- Condition: Faulty
- Location: Zone 200 - Fuse
- Part time: 67,588 hours, 30,510 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202202167503

## Discrepancy

AIRCRAFT WAS GROUNDED: EVACUATION HORN REPEATEDLY ACTIVATES ON ITS OWN. SECURED WIRE AT 300RH1 DECODER ENCODER UNIT B CONNECTOR PER ESPM 20-48-21. ALSO REPLACED DECODER ENCODER UNIT B 300RH1 (AALA202202165681) PER AMM 23-73-47, AND REPLACED CABIN INTERCOMMUNICATION DATA SYSTEM 1 AND 2 (AALA202202162263) DIRECTORS PER AMM 23-73-34. ACCOMPLISHED EVACUATION TEST PER AMM 23-73-00. NO FAULTS AT THIS TIME.

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