# SDR DALA2025021301128

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 27, 2024
- Submitted: February 13, 2025
- Operation: Air carrier
- Aircraft: [N570DZ](https://openairdocs.org/aircraft/N570DZ), registered now
- Make and model: Airbus A350-941
- Registry model: [Airbus A350-941](https://openairdocs.org/model/airbus-a350-941) (OpenAirDocs)
- Aircraft serial: 0048
- Aircraft time: 21,105 hours, 2,748 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Faulted
- Location: Zone 200
- 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/DALA2025021301128

## Discrepancy

CABIN EMER EXIT LT. R/R EPSU (101WL4) PER A350 AMM A350-A-33-51. BITE TEST OK. MEL AND PLACARD REMOVED. (LP# 6945313)

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