# SDR DALA12012013211

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 4, 2012
- Submitted: November 5, 2012
- Operation: Air carrier
- Aircraft: N311US
- Make and model: Airbus A320-211
- Registry model: [Airbus A320-211](https://openairdocs.org/model/airbus-industrie-a320-211) (OpenAirDocs)
- Aircraft serial: 125
- Aircraft time: 67,576 hours, 29,834 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA12012013211

## Discrepancy

DURING NON ROUTINE CHECK, FOUND EXIT SIGNS ABOVE DOORS 1L, 1R AND FWD CABIN AISLE ROW 1 ARE INOPERATIVE.  MX REPLACE EPSU AT 10WL AND FUNCTIONAL CHECKED NORMAL.

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