# SDR AALA201704139008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 12, 2017
- Submitted: April 13, 2017
- Operation: Air carrier
- Aircraft: [N122NN](https://openairdocs.org/aircraft/N122NN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6252
- Aircraft time: 8,698 hours, 2,867 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Sign
- Part number: F100055020
- Condition: Broken
- Location: Cabin
- 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/AALA201704139008

## Discrepancy

AIRCRAFT WAS GROUNDED. DOOR R-4 EXIT SIGN INOPERABLE. EXIT SIGN OPERATES WITH EMERGENCY LIGHTS SWITCH ON, DOES NOT OPERATE IN NORMAL MODE WITH NO SMOKING AND NO PERSONAL ELECTRONIC DEVICES SWITCH ON. REPLACED R-4 DOOR BROKEN EMERGENCY EXIT SIGN 44WL PER AMM 33-51-16 AND CONNECTED WIRES TO CORRECT LIGHT ASSEMBLIES PER WDM 33-51-03 AND WDM 3351-021. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.

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