# SDR DALA2024031703388

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 2024
- Submitted: March 17, 2024
- Operation: Air carrier
- Aircraft: [N103DY](https://openairdocs.org/aircraft/N103DY), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 9538
- Aircraft time: 10,655 hours, 5,010 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Control Unit
- Part number: NOTREPORTED
- Condition: Malfunctioned
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2024031703388

## Discrepancy

AIRCRAFT 1003, DURING SERVICE CHECK STEP 7G, FOUND SEVERAL SEAT EMERGENCY LIGHTS IN MIDDLE OF A/C THAT WOULD NOT AUTOMATICALLY SHUT OFF AFTER DOING CIDS EPSU SYSTEM TEST. CORRECTIVE ACTION: REPLACED EPCU 15WL. (LP 4413295)

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