# SDR UALA2012121407242

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 2012
- Submitted: January 14, 2013
- Operation: Air carrier
- Aircraft: N405UA
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 452
- Aircraft time: 64,915 hours, 24,038 cycles
- Engine: Iae V2527A5
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Switch
- Condition: Faulty
- 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/UALA2012121407242

## Discrepancy

AIRCRAFT EMERGENCY EVAC HORN GOES OFF IN FLIGHT.  DUE TO CONTINUED EVAC HORN GOING OF IN FLIGHT.  REPLACE EVAC PUSH BUTTON SWITCH (3WP) SEE IPC 25-63-08-01 FOR PARTS.  REPLACED PB SWITCH, 3WP, TESTED NORMAL.

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