# SDR UALA2011050902254

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 6, 2011
- Submitted: May 27, 2011
- Operation: Air carrier
- Aircraft: N409UA
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 462
- Aircraft time: 58,323 hours, 21,446 cycles
- Engine: Iae V2527A5
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Switch
- Part number: E0062B1A4AD0A
- Condition: Faulty
- Location: Cabin
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011050902254

## Discrepancy

EMERGENCY LIGHTS COME ON.  HISTORY OF EMERGENCY LIGHTS COMING ON WITH SWITCH IN "ARM" POS.  FOLLOW TSM AND REPLACE SWITCH 4WL (565-2161).  REPLACED EMERGENCY LIGHT SWITCH (4WL).  OPERATION CHECK EMERGENCY LIGHT SYSTEM.  LIGHTS OP CHECKS OKAY.  PERFORMED CIDS EMERGENCY LIGHT CHECK OKAY.

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