# SDR WX0A2020091473574

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 13, 2020
- Submitted: September 14, 2020
- Operation: Air carrier
- Aircraft: N244NV
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 1430
- Aircraft time: 49,556 hours, 35,733 cycles
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Warning Horn
- Condition: False Activation
- Location: Cockpit
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WX0A2020091473574

## Discrepancy

RECEIVED UNCOMMANDED EVAC HORN ACTIVATION WITH P/B LIGHT DURING TAXI IN.  TROUBLESHOT EVAC HORN UNDER TSM 23-73-00-810-955-A.  PERFORMED CIDS RESET AND CIDS BITE TEST, PER AMM 23-73-00-740-005.  CIDS 1 & 2 SHOW NO FAILURE MESSAGES.  EVAC HORN FUNCTIONS NORMALLY AT THIS TIME.  AIRCRAFT OK TO CONTINUE SERVICE.

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